$ query “AS2516” --type=asn → 1 result(s)

AS2516 · KDDI

KDDI CORPORATION

AS2516 is run by KDDI CORPORATION and is a major transit provider, registered in Japan since 2014. The system announces a whopping 18.1 million IPv4 addresses (0.49% of routable IPv4 space), including a /10, and supports IPv6. Most of its address space is geolocated to Japan, with additional presence in the United States and Hong Kong SAR China.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Space Overlord — Over 10 million IPv4 addresses
  • #4 in Japan — Top 10 by reach within country

Basic Information

Country
🇯🇵 Japan
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
September 11, 2014
Last Changed
May 10, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
561 / 219
IPv6 Prefixes (raw / aggregated)
9 / 7
IPv4 Addresses
18 072 832
Largest IPv4 Prefix
/10 (4 194 304 addresses)
Largest IPv6 Prefix
/23
Geolocated Countries
🇯🇵 Japan (18 063 616 IPs), 🇺🇸 United States (7 936 IPs), 🇭🇰 Hong Kong SAR China (1 280 IPs)
Prefix Changed
October 14, 2026

Reputation

Reputation
Good — 16 flagged IPs out of 18 072 832 total (0.00%)

Connectivity Summary

Upstream Providers
7 upstreams providing transit
Peers
136 networks exchanging traffic without transit
Downstream Customers
150 downstreams buying transit
Degree
293 unique BGP neighbors
Reach
364 networks in customer cone

Upstream Providers (7)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS174 — COGENT-174 (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS3257 — GTT-BACKBONE (Tier-1 transit)
  • AS32787 — PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK
  • AS2914 — NTT-DATA-2914 (Tier-1 transit)
  • AS701 — UUNET (Tier-1 transit)

Prefix Lists

IPv4 Prefixes (561 total)

  • 106.128.0.0/10 (4 194 304 addresses (/10 prefix))
  • 27.80.0.0/12 (1 048 576 addresses (/12 prefix))
  • 111.96.0.0/12 (1 048 576 addresses (/12 prefix))
  • 36.8.0.0/13 (524 288 addresses (/13 prefix))
  • 59.136.0.0/13 (524 288 addresses (/13 prefix))
  • 113.144.0.0/13 (524 288 addresses (/13 prefix))
  • 118.152.0.0/13 (524 288 addresses (/13 prefix))
  • 121.104.0.0/13 (524 288 addresses (/13 prefix))
  • 124.208.0.0/13 (524 288 addresses (/13 prefix))
  • 125.48.0.0/13 (524 288 addresses (/13 prefix))
  • 175.128.0.0/13 (524 288 addresses (/13 prefix))
  • 222.0.0.0/13 (524 288 addresses (/13 prefix))
  • 14.8.0.0/14 (262 144 addresses (/14 prefix))
  • 49.132.0.0/14 (262 144 addresses (/14 prefix))
  • 59.132.0.0/14 (262 144 addresses (/14 prefix))
  • 111.236.0.0/14 (262 144 addresses (/14 prefix))
  • 113.156.0.0/14 (262 144 addresses (/14 prefix))
  • 114.16.0.0/14 (262 144 addresses (/14 prefix))
  • 119.104.0.0/14 (262 144 addresses (/14 prefix))
  • 182.248.0.0/14 (262 144 addresses (/14 prefix))
  • 222.12.0.0/14 (262 144 addresses (/14 prefix))
  • 14.12.0.0/15 (131 072 addresses (/15 prefix))
  • 59.128.0.0/15 (131 072 addresses (/15 prefix))
  • 106.72.0.0/15 (131 072 addresses (/15 prefix))
  • 111.86.0.0/15 (131 072 addresses (/15 prefix))
  • 113.152.0.0/15 (131 072 addresses (/15 prefix))
  • 114.20.0.0/15 (131 072 addresses (/15 prefix))
  • 125.28.0.0/15 (131 072 addresses (/15 prefix))
  • 175.108.0.0/15 (131 072 addresses (/15 prefix))
  • 211.4.0.0/15 (131 072 addresses (/15 prefix))
  • 222.10.0.0/15 (131 072 addresses (/15 prefix))
  • 222.226.0.0/15 (131 072 addresses (/15 prefix))
  • 14.101.0.0/16 (65 536 addresses (/16 prefix))
  • 59.131.0.0/16 (65 536 addresses (/16 prefix))
  • 61.117.0.0/16 (65 536 addresses (/16 prefix))
  • 61.204.0.0/16 (65 536 addresses (/16 prefix))
  • 113.154.0.0/16 (65 536 addresses (/16 prefix))
  • 114.22.0.0/16 (65 536 addresses (/16 prefix))
  • 133.192.0.0/16 (65 536 addresses (/16 prefix))
  • 133.253.0.0/16 (65 536 addresses (/16 prefix))
  • 150.47.0.0/16 (65 536 addresses (/16 prefix))
  • 150.71.0.0/16 (65 536 addresses (/16 prefix))
  • 163.48.0.0/16 (65 536 addresses (/16 prefix))
  • 163.210.0.0/16 (65 536 addresses (/16 prefix))
  • 210.196.0.0/16 (65 536 addresses (/16 prefix))
  • 210.230.0.0/16 (65 536 addresses (/16 prefix))
  • 210.234.0.0/16 (65 536 addresses (/16 prefix))
  • 211.18.0.0/16 (65 536 addresses (/16 prefix))
  • 211.126.0.0/16 (65 536 addresses (/16 prefix))
  • 211.134.0.0/16 (65 536 addresses (/16 prefix))

IPv6 Prefixes (9 total)

  • 240f::/23
  • 240b::/26
  • 240b:240::/26
  • 2001:268::/32
  • 2401:980::/32
  • 2404:9200::/32
  • 2403:8300:813f::/48