AS2516 — KDDI KDDI CORPORATION

Network type: mobile

AS2516 announces 218 IPv4 prefixes covering 18,072,320 addresses and 7 IPv6 prefixes.

About this network

KDDI (KDDI CORPORATION) — one of Japan's largest telecoms, operating the au mobile brand plus fixed broadband and enterprise services.

What it's used for

• Mobile (au) and fixed internet access for millions of Japanese subscribers, plus international and enterprise connectivity.

Notable

• A major "eyeball" network — most IPs are end users in Japan.
• One of the big three Japanese carriers alongside NTT and SoftBank.

Interesting

• KDDI was formed from the merger of several Japanese carriers (DDI, KDD, and IDO) in 2000, combining domestic mobile with international telephony heritage.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 14.8.0.0/14
• 14.12.0.0/15
• 14.14.0.0/18
• 14.14.64.0/19
• 14.101.0.0/16
• 23.226.37.0/24
• 23.226.45.0/24
• 23.226.222.0/24
• 23.239.164.0/24
• 23.239.166.0/24
• 27.80.0.0/12
• 36.8.0.0/13
• 36.255.236.0/22
• 43.246.192.0/22
• 45.116.224.0/22
• 45.118.40.0/22
• 45.121.148.0/22
• 45.124.216.0/22
• 45.126.156.0/22
• 49.132.0.0/14
• 59.128.0.0/15
• 59.131.0.0/16
• 59.132.0.0/14
• 59.136.0.0/13
• 59.153.140.0/22
• 61.114.0.0/18
• 61.117.0.0/16
• 61.120.0.0/17
• 61.198.128.0/17
• 61.200.128.0/17
• 61.202.0.0/17
• 61.204.0.0/16
• 61.215.0.0/17
• 103.6.44.0/22
• 103.13.140.0/22
• 103.37.240.0/22
• 103.51.212.0/22
• 103.65.44.0/22
• 103.90.28.0/22
• 103.228.60.0/22
• 103.232.200.0/22
• 103.233.40.0/22
• 103.234.196.0/22
• 103.235.12.0/22
• 103.240.252.0/22
• 106.72.0.0/15
• 106.128.0.0/10
• 107.255.199.0/24
• 111.86.0.0/15
• 111.96.0.0/12
• 111.236.0.0/14
• 113.52.224.0/22
• 113.144.0.0/13
• 113.152.0.0/15
• 113.154.0.0/16
• 113.156.0.0/14
• 114.16.0.0/14
• 114.20.0.0/15
• 114.22.0.0/16
• 116.206.68.0/22
• 118.152.0.0/13
• 119.82.152.0/21
• 119.104.0.0/14
• 121.104.0.0/13
• 124.109.128.0/17
• 124.208.0.0/13
• 125.28.0.0/15
• 125.48.0.0/13
• 133.192.0.0/16
• 133.253.0.0/16
• 134.42.227.0/24
• 149.18.16.0/24
• 149.18.27.0/24
• 149.18.36.0/24
• 149.18.60.0/23
• 149.18.84.0/24
• 149.18.88.0/24
• 149.18.92.0/24
• 149.18.95.0/24
• 149.18.116.0/24
• 149.18.124.0/23
• 149.18.240.0/24
• 149.18.242.0/24
• 149.18.244.0/24
• 149.18.252.0/24
• 149.18.254.0/24
• 149.57.27.0/24
• 149.57.106.0/24
• 149.57.130.0/24
• 149.57.138.0/24
• 149.57.192.0/24
• 149.57.194.0/24
• 149.57.200.0/24
• 149.57.202.0/24
• 149.57.206.0/24
• 150.47.0.0/16
• 150.61.57.0/24
• 150.71.0.0/16
• 157.119.4.0/22
• 157.119.128.0/22

and 125 more.

Upstream networks

• AS1299 Arelion Sweden AB
• AS6939 Hurricane Electric LLC
• AS174 Cogent Communications, LLC
• AS3257 GTT Communications Inc.
• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS577 Bell Canada
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS3303 Swisscom (Schweiz) AG
• AS3320 Deutsche Telekom AG
• AS1273 IDDQD-AS
• AS12389 PJSC Rostelecom
• AS2497 Internet Initiative Japan Inc.
• AS38001 NewMedia Express Pte Ltd
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS2152 CENIC
• AS293 ESnet
• AS6830 Liberty Global Europe Holding B.V.
• AS4637 Telstra Global
• AS3491 PCCW Global (HK) Ltd.
• AS33891 Core-Backbone GmbH
• AS701 Verizon Business
• AS15412 Flag Telecom UK Limited

Downstream networks

• AS20940 Akamai International B.V.
• AS38631 LY Corporation
• AS9824 JCOM Co., Ltd.
• AS55374 FUJITSU LIMITED
• AS131932 JR East Information Systems Company
• AS54994 Meteverse Limited.
• AS7687 TOYOTA SYSTEMS CORPORATION
• AS7479 KDD HONG KONG LIMITED
• AS6648 Bayan Telecommunications, Inc.
• AS59107 Hachinohe Cable Television Co.
• AS132203 Tencent Building, Kejizhongyi Avenue
• AS21433 Accenture UK Limited
• AS24319 Akamai Technologies Tokyo ASN
• AS18092 Kyushu Tele Communications Company
• AS2527 Sony Network Communications Inc.
• AS7524 ITEC HANKYU HANSHIN CO.,LTD.
• AS14593 Space Exploration Technologies Corporation
• AS15830 Equinix (EMEA) Acquisition Enterprises B.V.
• AS23576 NAVER Cloud Corp.
• AS55386 FUJITSU LIMITED
• AS9597 KDDI Web Communications Inc.
• AS18126 Chubu Telecommunications Company, Inc.
• AS10019 Matsusaka Cable-TV Station Inc.
• AS17707 AS for DATAHOTEL, which is one of iDC in Japan,
• AS17686 ACCELIA

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS1299 Arelion Sweden AB
• AS3257 GTT Communications Inc.
• AS20940 Akamai International B.V.
• AS9824 JCOM Co., Ltd.
• AS174 Cogent Communications, LLC
• AS3356 Level 3 Parent, LLC
• AS38631 LY Corporation
• AS577 Bell Canada
• AS2152 CENIC
• AS2518 BIGLOBE Inc.
• AS55374 FUJITSU LIMITED
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS131932 JR East Information Systems Company
• AS2914 NTT America, Inc.
• AS38001 NewMedia Express Pte Ltd
• AS54994 Meteverse Limited.
• AS293 ESnet
• AS7687 TOYOTA SYSTEMS CORPORATION
• AS23576 NAVER Cloud Corp.
• AS12389 PJSC Rostelecom
• AS2497 Internet Initiative Japan Inc.
• AS7479 KDD HONG KONG LIMITED
• AS9354 Community Network Center Inc.
• AS6648 Bayan Telecommunications, Inc.

Internet exchanges

• LINX LON1 — London, United Kingdom
• Hong Kong Internet Exchange — Hong Kong, China
• JPIX Tokyo — Tokyo, Japan
• New York International Internet Exchange — New York, United States
• Equinix Internet Exchange San Jose (Bay Area) — San Jose, United States
• JPIX Osaka — Osaka, Japan
• Equinix Internet Exchange Los Angeles — Los Angeles, United States
• Equinix Internet Exchange Palo Alto — Palo Alto, United States
• Equinix Los Angeles IBX — Los Angeles, United States
• Network Service Provider IXP (Distributed IX in Edo) — Tokyo, Japan