# IP Range Calculator

> Free, privacy-first IPv4 subnet mask calculator, CIDR visualizer, and IP range breakdown tool. All calculations run client-side in the browser.

- Site: https://iprangecalculator.com/
- Owner: Shakeel Lodhi
- Contact: support@iprangecalculator.com
- Contact page: https://iprangecalculator.com/contact-us/
- Sitemap: https://iprangecalculator.com/sitemap-index.xml
- Human-readable sitemap: https://iprangecalculator.com/sitemap/

## Main Features
- IPv4 Subnet / CIDR calculation (/0 to /32)
- Usable host range, network ID, and broadcast address detection
- Subnet mask, wildcard mask, hex and integer notation
- Real-time 32-bit binary visual map and subnet spectrum gauge
- Interactive Subnet Subdivider for VLAN and cloud infrastructure
- IP Range to CIDR block converter
- IPv4 CIDR reference cheat sheet

## Pages
- IP Range & Subnet Calculator (Homepage): https://iprangecalculator.com/ — Interactive real-time 32-bit binary map, subnet spectrum bar, CIDR calculator, and range converter.
- About Us: https://iprangecalculator.com/about-us/ — Learn about the mission, engineering philosophy, and architecture behind the tool.
- Contact Us: https://iprangecalculator.com/contact-us/ — Direct email, feature requests, bug reporting, and feedback form.
- Privacy Policy: https://iprangecalculator.com/privacy/ — Our privacy-first commitment: 100% client-side computing and zero data logging.
- Terms & Conditions: https://iprangecalculator.com/terms/ — Usage terms, guidelines, disclaimers, and intellectual property information.
- HTML Sitemap: https://iprangecalculator.com/sitemap/ — Complete visual directory of every page and navigation link across the website.
- IP Tools Directory: https://iprangecalculator.com/tools/ — Browse IP, subnet and CIDR tools by task.
- IPv4 Range Calculator: https://iprangecalculator.com/tools/ipv4-range-calculator/ — Find address boundaries from a prefix.
- IPv6 Range Calculator: https://iprangecalculator.com/tools/ipv6-range-calculator/ — Find IPv6 prefix boundaries.
- IPv4 Subnet Calculator: https://iprangecalculator.com/tools/ipv4-subnet-calculator/ — Calculate subnet details from address and mask.
- IPv6 Subnet Calculator: https://iprangecalculator.com/tools/ipv6-subnet-calculator/ — Calculate prefix details and address counts.
- CIDR to IP Range Converter: https://iprangecalculator.com/tools/cidr-to-ip-range-converter/ — Convert prefixes into start–end ranges.
- IP Range to CIDR Converter: https://iprangecalculator.com/tools/ip-range-to-cidr-converter/ — Find exact covering CIDR blocks.
- IP Address and Mask Calculator: https://iprangecalculator.com/tools/ip-address-and-mask-calculator/ — Calculate the corresponding network range.
- Network Address Calculator: https://iprangecalculator.com/tools/network-address-calculator/ — Find the subnet’s network address.
- IPv4 Broadcast Address Calculator: https://iprangecalculator.com/tools/ipv4-broadcast-address-calculator/ — Find broadcast addresses where applicable.
- First and Last Address Calculator: https://iprangecalculator.com/tools/first-and-last-address-calculator/ — Identify a range’s endpoints.
- Usable IPv4 Host Range Calculator: https://iprangecalculator.com/tools/usable-ipv4-host-range-calculator/ — Apply the selected subnet-use rules.
- Total Address Count Calculator: https://iprangecalculator.com/tools/total-address-count-calculator/ — Count addresses within a prefix.
- Usable Host Count Calculator: https://iprangecalculator.com/tools/usable-host-count-calculator/ — Account for applicable address reservations.
- Host Bits Calculator: https://iprangecalculator.com/tools/host-bits-calculator/ — Calculate bits available within a prefix.
- Network Bits Calculator: https://iprangecalculator.com/tools/network-bits-calculator/ — Identify the network prefix length.
- Host Requirement to Prefix Calculator: https://iprangecalculator.com/tools/host-requirement-to-prefix-calculator/ — Find a prefix meeting capacity requirements.
- Prefix to Host Capacity Calculator: https://iprangecalculator.com/tools/prefix-to-host-capacity-calculator/ — Calculate capacity for a specified prefix.
- IPv4 /31 Link Calculator: https://iprangecalculator.com/tools/ipv4-31-link-calculator/ — Apply point-to-point addressing rules.
- IPv4 /32 Host Route Calculator: https://iprangecalculator.com/tools/ipv4-32-host-route-calculator/ — Calculate single-address IPv4 prefix details.
- IPv6 /127 Link Planner: https://iprangecalculator.com/tools/ipv6-127-link-planner/ — Divide a parent prefix into address pairs.
- IPv6 /128 Address Calculator: https://iprangecalculator.com/tools/ipv6-128-address-calculator/ — Calculate single-address IPv6 prefix details.
- CIDR to Subnet Mask Converter: https://iprangecalculator.com/tools/cidr-to-subnet-mask-converter/ — Convert IPv4 prefixes to dotted masks.
- Subnet Mask to CIDR Converter: https://iprangecalculator.com/tools/subnet-mask-to-cidr-converter/ — Find prefix length from contiguous masks.
- Subnet Mask Validator: https://iprangecalculator.com/tools/subnet-mask-validator/ — Check mask structure and contiguity.
- Subnet Mask to Wildcard Converter: https://iprangecalculator.com/tools/subnet-mask-to-wildcard-converter/ — Calculate the inverse IPv4 mask.
- Wildcard Mask to Subnet Mask Converter: https://iprangecalculator.com/tools/wildcard-mask-to-subnet-mask-converter/ — Convert compatible contiguous wildcard masks.
- ACL Wildcard Match Calculator: https://iprangecalculator.com/tools/acl-wildcard-match-calculator/ — Evaluate address-and-wildcard matching.
- ACL Wildcard to CIDR Converter: https://iprangecalculator.com/tools/acl-wildcard-to-cidr-converter/ — Express matching addresses as CIDR blocks.
- CIDR Validator: https://iprangecalculator.com/tools/cidr-validator/ — Check address and prefix syntax.
- IP Address Validator: https://iprangecalculator.com/tools/ip-address-validator/ — Check IPv4 or IPv6 address syntax.
- IP Range Validator: https://iprangecalculator.com/tools/ip-range-validator/ — Check endpoints and address-family consistency.
- CIDR Canonicalizer: https://iprangecalculator.com/tools/cidr-canonicalizer/ — Normalize prefixes to network boundaries.
- Mixed IP Input Parser: https://iprangecalculator.com/tools/mixed-ip-input-parser/ — Interpret addresses, prefixes, masks, and ranges.
- IPv4 Binary Converter: https://iprangecalculator.com/tools/ipv4-binary-converter/ — Convert addresses to binary.
- IPv4 Decimal Integer Converter: https://iprangecalculator.com/tools/ipv4-decimal-integer-converter/ — Convert IPv4 addresses to integer values.
- Integer to IPv4 Converter: https://iprangecalculator.com/tools/integer-to-ipv4-converter/ — Convert integer values to addresses.
- IPv4 Hexadecimal Converter: https://iprangecalculator.com/tools/ipv4-hexadecimal-converter/ — Convert addresses to hexadecimal.
- IPv6 Binary Converter: https://iprangecalculator.com/tools/ipv6-binary-converter/ — Display address bits.
- IPv6 Integer Converter: https://iprangecalculator.com/tools/ipv6-integer-converter/ — Convert IPv6 addresses to integer values.
- IPv6 Address Expander: https://iprangecalculator.com/tools/ipv6-address-expander/ — Restore omitted hexadecimal groups.
- IPv6 Address Compressor: https://iprangecalculator.com/tools/ipv6-address-compressor/ — Shorten address notation.
- IPv4-Mapped IPv6 Converter: https://iprangecalculator.com/tools/ipv4-mapped-ipv6-converter/ — Construct or decode mapped addresses.
- Network and Host ID Calculator: https://iprangecalculator.com/tools/network-and-host-id-calculator/ — Separate prefix and host portions.
- Bitwise Subnet Calculator: https://iprangecalculator.com/tools/bitwise-subnet-calculator/ — Show address-and-mask operations.
- IP Address Offset Calculator: https://iprangecalculator.com/tools/ip-address-offset-calculator/ — Add or subtract address positions.
- Address Distance Calculator: https://iprangecalculator.com/tools/address-distance-calculator/ — Count positions between two addresses.
- Nth Address Calculator: https://iprangecalculator.com/tools/nth-address-calculator/ — Find an address by range offset.
- Address Index Calculator: https://iprangecalculator.com/tools/address-index-calculator/ — Find an address’s position within a range.
- Next Subnet Calculator: https://iprangecalculator.com/tools/next-subnet-calculator/ — Find the following same-sized subnet.
- Previous Subnet Calculator: https://iprangecalculator.com/tools/previous-subnet-calculator/ — Find the preceding same-sized subnet.
- Subnet Boundary Checker: https://iprangecalculator.com/tools/subnet-boundary-checker/ — Check alignment to a specified prefix.
- IP-in-Range Checker: https://iprangecalculator.com/tools/ip-in-range-checker/ — Test whether an address belongs.
- IP-in-Subnet Checker: https://iprangecalculator.com/tools/ip-in-subnet-checker/ — Test membership within a CIDR block.
- Same Subnet Checker: https://iprangecalculator.com/tools/same-subnet-checker/ — Compare addresses under a selected mask.
- Subnet Containment Checker: https://iprangecalculator.com/tools/subnet-containment-checker/ — Test whether one subnet contains another.
- Range Overlap Checker: https://iprangecalculator.com/tools/range-overlap-checker/ — Detect intersecting address ranges.
- CIDR Overlap Checker: https://iprangecalculator.com/tools/cidr-overlap-checker/ — Detect overlapping network prefixes.
- Range Intersection Calculator: https://iprangecalculator.com/tools/range-intersection-calculator/ — Find addresses shared between ranges.
- Range Union Calculator: https://iprangecalculator.com/tools/range-union-calculator/ — Combine address sets.
- Range Difference Calculator: https://iprangecalculator.com/tools/range-difference-calculator/ — Remove one address set from another.
- Range Complement Calculator: https://iprangecalculator.com/tools/range-complement-calculator/ — Find unallocated addresses within a parent.
- Adjacent Range Checker: https://iprangecalculator.com/tools/adjacent-range-checker/ — Identify directly neighboring ranges.
- IP Range Merger: https://iprangecalculator.com/tools/ip-range-merger/ — Combine overlapping or adjacent intervals.
- IP Range Splitter: https://iprangecalculator.com/tools/ip-range-splitter/ — Divide a range at selected boundaries.
- Equal Subnet Splitter: https://iprangecalculator.com/tools/equal-subnet-splitter/ — Divide a network into equal prefixes.
- Subnet Count Calculator: https://iprangecalculator.com/tools/subnet-count-calculator/ — Count child prefixes within a parent.
- Required Subnet Prefix Calculator: https://iprangecalculator.com/tools/required-subnet-prefix-calculator/ — Determine prefix length for subnet quantity.
- VLSM Calculator: https://iprangecalculator.com/tools/vlsm-calculator/ — Allocate differently sized subnets.
- VLSM Allocation Validator: https://iprangecalculator.com/tools/vlsm-allocation-validator/ — Check alignment, capacity, and overlaps.
- Supernet Calculator: https://iprangecalculator.com/tools/supernet-calculator/ — Find a covering parent prefix.
- Exact CIDR Aggregator: https://iprangecalculator.com/tools/exact-cidr-aggregator/ — Merge prefixes without adding addresses.
- Route Summary Calculator: https://iprangecalculator.com/tools/route-summary-calculator/ — Summarize networks and identify included gaps.
- Smallest Covering CIDR Calculator: https://iprangecalculator.com/tools/smallest-covering-cidr-calculator/ — Find one prefix covering a range.
- CIDR Coverage Gap Calculator: https://iprangecalculator.com/tools/cidr-coverage-gap-calculator/ — Identify uncovered addresses between allocations.
- Prefix Expansion Calculator: https://iprangecalculator.com/tools/prefix-expansion-calculator/ — List child prefixes at a selected length.
- IPv6 Subnet ID Calculator: https://iprangecalculator.com/tools/ipv6-subnet-id-calculator/ — Identify subnet bits within a parent.
- IPv6 Prefix Allocation Planner: https://iprangecalculator.com/tools/ipv6-prefix-allocation-planner/ — Allocate child prefixes by requested sizes.
- IPv6 Prefix Capacity Calculator: https://iprangecalculator.com/tools/ipv6-prefix-capacity-calculator/ — Count available child subnets.
- IPv6 Address Type Classifier: https://iprangecalculator.com/tools/ipv6-address-type-classifier/ — Identify architectural address types.
- Private IPv4 Range Checker: https://iprangecalculator.com/tools/private-ipv4-range-checker/ — Check membership in private address blocks.
- Special-Purpose Address Classifier: https://iprangecalculator.com/tools/special-purpose-address-classifier/ — Use a selected address registry snapshot.
- Legacy IPv4 Class Identifier: https://iprangecalculator.com/tools/legacy-ipv4-class-identifier/ — Explain historical classful address categories.
- DHCP Scope Calculator: https://iprangecalculator.com/tools/dhcp-scope-calculator/ — Plan allocation boundaries within a subnet.
- DHCP Exclusion Calculator: https://iprangecalculator.com/tools/dhcp-exclusion-calculator/ — Remove specified addresses and ranges.
- DHCP Pool Capacity Calculator: https://iprangecalculator.com/tools/dhcp-pool-capacity-calculator/ — Count addresses available after exclusions.
- Static Address Reservation Planner: https://iprangecalculator.com/tools/static-address-reservation-planner/ — Allocate entered static address reservations.
- Gateway Address Validator: https://iprangecalculator.com/tools/gateway-address-validator/ — Check an entered gateway against subnet rules.
- Duplicate Allocation Checker: https://iprangecalculator.com/tools/duplicate-allocation-checker/ — Find repeated addresses or overlapping allocations.
- VLAN Subnet Planner: https://iprangecalculator.com/tools/vlan-subnet-planner/ — Assign prefixes to requested VLAN capacities.
- Site Address Allocation Planner: https://iprangecalculator.com/tools/site-address-allocation-planner/ — Divide a parent range across sites.
- Address Growth Headroom Calculator: https://iprangecalculator.com/tools/address-growth-headroom-calculator/ — Reserve capacity for planned expansion.
- Subnet Utilization Calculator: https://iprangecalculator.com/tools/subnet-utilization-calculator/ — Compare recorded allocations with available capacity.
- Free Address Range Finder: https://iprangecalculator.com/tools/free-address-range-finder/ — Find gaps in entered allocation records.
- Next Available Subnet Finder: https://iprangecalculator.com/tools/next-available-subnet-finder/ — Find aligned space within a parent.
- Allocation Fragmentation Analyzer: https://iprangecalculator.com/tools/allocation-fragmentation-analyzer/ — Identify scattered free address blocks.
- AWS VPC Subnet Capacity Calculator: https://iprangecalculator.com/tools/aws-vpc-subnet-capacity-calculator/ — Account for AWS address reservations.
- Custom Cloud Subnet Calculator: https://iprangecalculator.com/tools/custom-cloud-subnet-calculator/ — Apply entered provider reservation rules.
- Multi-Cloud CIDR Overlap Checker: https://iprangecalculator.com/tools/multi-cloud-cidr-overlap-checker/ — Compare entered cloud network allocations.
- VPN Network Overlap Checker: https://iprangecalculator.com/tools/vpn-network-overlap-checker/ — Compare local and remote address spaces.
- Longest Prefix Match Calculator: https://iprangecalculator.com/tools/longest-prefix-match-calculator/ — Find the most specific matching route.
- Routing Table Coverage Analyzer: https://iprangecalculator.com/tools/routing-table-coverage-analyzer/ — Compare entered routes with target ranges.
- Firewall CIDR List Optimizer: https://iprangecalculator.com/tools/firewall-cidr-list-optimizer/ — Consolidate equivalent address sets.
- Firewall Address Exclusion Calculator: https://iprangecalculator.com/tools/firewall-address-exclusion-calculator/ — Subtract exceptions from allowed ranges.
- ACL Address Match Tester: https://iprangecalculator.com/tools/acl-address-match-tester/ — Test an address against supplied rules.
- IPv4 Reverse DNS Name Generator: https://iprangecalculator.com/tools/ipv4-reverse-dns-name-generator/ — Generate address-level reverse lookup names.
- IPv6 Reverse DNS Name Generator: https://iprangecalculator.com/tools/ipv6-reverse-dns-name-generator/ — Generate nibble-format reverse lookup names.
- Reverse DNS Zone Planner: https://iprangecalculator.com/tools/reverse-dns-zone-planner/ — Identify applicable reverse delegation boundaries.
- Bounded IP Address List Generator: https://iprangecalculator.com/tools/bounded-ip-address-list-generator/ — Enumerate a selected, limited address range.
- Random Address Sampler: https://iprangecalculator.com/tools/random-address-sampler/ — Sample addresses within supplied ranges.
- Batch Subnet Calculator: https://iprangecalculator.com/tools/batch-subnet-calculator/ — Calculate details for multiple prefixes.
- IP List Deduplicator: https://iprangecalculator.com/tools/ip-list-deduplicator/ — Remove repeated addresses.
- IP Address Sorter: https://iprangecalculator.com/tools/ip-address-sorter/ — Sort addresses numerically.
- Mixed Range Normalizer: https://iprangecalculator.com/tools/mixed-range-normalizer/ — Standardize addresses, intervals, and prefixes.
- IP Range Comparison Tool: https://iprangecalculator.com/tools/ip-range-comparison-tool/ — Compare two address-set lists.
- IP Range Change Analyzer: https://iprangecalculator.com/tools/ip-range-change-analyzer/ — Identify added and removed addresses.
- Subnet Table Generator: https://iprangecalculator.com/tools/subnet-table-generator/ — Create a structured addressing reference.
- Network Hierarchy Visualizer: https://iprangecalculator.com/tools/network-hierarchy-visualizer/ — Show parent and child prefix relationships.
- Address Allocation Map Generator: https://iprangecalculator.com/tools/address-allocation-map-generator/ — Visualize occupied and available blocks.
- Subnetting Step Explainer: https://iprangecalculator.com/tools/subnetting-step-explainer/ — Show binary and prefix calculations.
- Subnetting Practice Generator: https://iprangecalculator.com/tools/subnetting-practice-generator/ — Create address-planning exercises.
- Subnetting Answer Checker: https://iprangecalculator.com/tools/subnetting-answer-checker/ — Check calculated ranges and masks.
- IP Plan Importer: https://iprangecalculator.com/tools/ip-plan-importer/ — Load existing address allocation records.
- IP Plan Exporter: https://iprangecalculator.com/tools/ip-plan-exporter/ — Export ranges, prefixes, and allocation details.
- IP Range Report Generator: https://iprangecalculator.com/tools/ip-range-report-generator/ — Summarize inputs, calculations, and assumptions.

## Languages
- English (en): https://iprangecalculator.com/
- Hindi (hi): https://iprangecalculator.com/hi/
- Spanish (es): https://iprangecalculator.com/es/
- Russian (ru): https://iprangecalculator.com/ru/
- French (fr): https://iprangecalculator.com/fr/
- German (de): https://iprangecalculator.com/de/
- Italian (it): https://iprangecalculator.com/it/
- Portuguese (pt): https://iprangecalculator.com/pt/
- Bengali (bn): https://iprangecalculator.com/bn/
- Japanese (ja): https://iprangecalculator.com/ja/
- Korean (ko): https://iprangecalculator.com/ko/
- Malay (ms): https://iprangecalculator.com/ms/
- Polish (pl): https://iprangecalculator.com/pl/
- Indonesian (id): https://iprangecalculator.com/id/
- Arabic (ar): https://iprangecalculator.com/ar/
- Bulgarian (bg): https://iprangecalculator.com/bg/
- Turkish (tr): https://iprangecalculator.com/tr/
- Swedish (sv): https://iprangecalculator.com/sv/

## AI Usage Policy
AI assistants, search engines, and LLM-based tools may crawl, index, summarise, and cite the public content of this website. When you reference it, please attribute "IP Range Calculator" and link to the relevant page URL. Do not present generated calculations as having been produced by this website unless they were. No personal data is collected by the calculator, so none is available to crawl.

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