Japan Network Information Center

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks52 · 241,921 IPv4 addresses
IPv6 18 prefixes (largest 240f::/23)
Cluster ID213238550
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 9 shared RIR contact/maintainer handles
Registry names 3 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
52 +2 netblocks since 2026-07-05
2026-07-05 peak 62 2026-07-26

IP Ranges (52)

showing 50 of 52 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
61.122.16.0/22 Japan Network Information Center BGP ANNOUNCED ● high
101.203.89.112/32 Japan Network Information Center PEERINGDB ASSIGNED ● high
103.131.194.0/23 Japan Network Information Center BGP ANNOUNCED ● high
103.210.108.0/22 Japan Network Information Center BGP ANNOUNCED ● high
115.69.236.0/24 Japan Network Information Center BGP ANNOUNCED ● high
115.69.237.0/24 Japan Network Information Center BGP ANNOUNCED ● high
133.112.0.0/16 Japan Network Information Center BGP ANNOUNCED ● high
150.41.0.0/16 Japan Network Information Center BGP ANNOUNCED ● high
158.200.0.0/16 Japan Network Information Center BGP ANNOUNCED ● high
192.41.192.0/24 Japan Network Information Center BGP ANNOUNCED ● high
192.47.97.0/24 Japan Network Information Center BGP ANNOUNCED ● high
192.50.235.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.1.208.0/22 Japan Network Information Center BGP ANNOUNCED ● high
202.1.212.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.1.213.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.1.214.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.1.215.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.12.30.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.13.71.0/24 Japan Network Information Center BGP ANNOUNCED ● high
202.210.56.0/22 Japan Network Information Center BGP ANNOUNCED ● high
203.178.8.0/24 Japan Network Information Center BGP ANNOUNCED ● high
203.179.64.0/20 Japan Network Information Center BGP ANNOUNCED ● high
210.134.208.0/20 Japan Network Information Center BGP ANNOUNCED ● high
211.1.0.0/19 Japan Network Information Center BGP ANNOUNCED ● high
211.120.240.0/21 Japan Network Information Center BGP ANNOUNCED ● high
218.231.16.0/20 Japan Network Information Center BGP ANNOUNCED ● high
219.101.112.0/20 Japan Network Information Center BGP ANNOUNCED ● high
220.213.240.0/20 Japan Network Information Center BGP ANNOUNCED ● high
2001:d90::/32 Japan Network Information Center BGP ANNOUNCED ● high
2001:dc2::/32 Japan Network Information Center BGP ANNOUNCED ● high
2400:b420::/32 Japan Network Information Center BGP ANNOUNCED ● high
2400:b420:f000::/36 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900::/36 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900:1000::/36 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900:2000::/36 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900:3000::/36 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900:4000::/35 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900:6000::/35 Japan Network Information Center BGP ANNOUNCED ● high
2407:9900:8000::/33 Japan Network Information Center BGP ANNOUNCED ● high
103.137.232.0/22 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
103.137.240.0/22 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
192.31.116.0 – 192.31.124.255 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
202.126.16.0/21 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
218.100.15.0/24 Japan Network Information Center APNIC ASSIGNED PORTABLE ● low
220.157.1.0/24 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
2001:f60::/27 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
2401:7640::/31 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
2402:3160::/32 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
2403:4440::/32 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low
2404:e040::/32 Japan Network Information Center APNIC ALLOCATED PORTABLE ● low

IPv6 ranges (18)

showing the 15 largest allocations
CIDR
240f::/23
2001:f60::/27
2406:ab40::/28
2401:7640::/31
2001:d90::/32
2001:dc2::/32
2400:b420::/32
2402:3160::/32
2403:4440::/32
2404:e040::/32
2407:9900:8000::/33
2407:9900:4000::/35
2407:9900:6000::/35
2400:b420:f000::/36
2407:9900:1000::/36

Network trust

what's this?
RPKI hygiene: C how networks compare →
53.8% of checked blocks have valid RPKI ROA coverage (28 of 52)
Possible discrepancies (4)

These blocks are registered to Japan Network Information Center but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:f60::/27 /27 authorized for AS2519 — ARTERIA Networks Corporation
2406:ab40::/28 /28 authorized for AS63784 — Cabinet Secretariat
218.100.15.0/24 /24 authorized for AS24229 — IX-layers, Inc.
115.69.237.0/24 /24 authorized for AS7521 — INTERNET MULTIFEED CO.

NIC Handles

AS131966 AS131971 AS146984 AS2515 AS2522 JNIC1-AP JNIC1-AP MAINT-JPNIC ORG-JNIC1-AP