AS38910 Transit AS Tokyo

JPMORGAN-TRANSIT-AS-JP-AP - Transit AS Tokyo · registered in the United States

IPv4 addresses8,1921 prefixes · <0.001% of announced IPv4

Rank in United States#3,288largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#10,431of 79,396 networks with IPv4

IPv632 x /485 prefixes

CountryUnited States18,679 ASNs registered there

Open AS38910 in ASN lookup Look up an IP in this network (161.121.128.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

161.121.128.0/19

IPv6 prefixes

All 5 prefixes.

2407:e500:40::/44
2407:e500:50::/47
2407:e500:52::/47
2407:e500:54::/46
2407:e500:58::/45

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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