AS2522 Japan Network Information Center

PPP-EXP - Japan Network Information Center · registered in Japan

IPv4 addresses229,12015 prefixes · 0.007% of announced IPv4

Rank in Japan#41largest network in JP by IPv4 space, of 724 · 0.14% of JP

Rank worldwide#986of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryJapan745 ASNs registered there

Open AS2522 in ASN lookup Look up an IP in this network (61.122.16.1) All networks in Japan

IPv4 prefixes

All 15 prefixes, in address order.

61.122.16.0/22
103.210.108.0/22
133.112.0.0/16
150.41.0.0/16
158.200.0.0/16
192.47.97.0/24
192.50.235.0/24
202.210.56.0/22
203.178.8.0/24
203.179.64.0/20
210.134.208.0/20
211.1.0.0/19
218.231.16.0/20
219.101.112.0/20
220.213.240.0/20

Other ASNs named Japan Network Information Center

2 other networks use the same organisation name; together with AS2522 they announce 232,448 IPv4 addresses.

ASNNameIPv4 addresses

AS2515JPNIC - Japan Network Information Center JP3,072

AS132610JPNIC-NET-JP - Japan Network Information Center JP256

Similar-sized networks in Japan

ASNNameIPv4 addresses

AS7506#38 GMO-I-R1 - GMO Internet, Inc.252,672

AS9351#39 ZLAN - ZTV CO.,LTD249,856

AS4673#40 INTERVIA - NTT DATA CORPORATION241,664

AS2506#42 SuperCSI - NTT business Solutions corporation214,272

AS7687#43 D-CRUISENET - TOYOTA SYSTEMS CORPORATION200,960

AS2501#44 UTnet - The University of Tokyo200,704

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources