AS70 National Library of Medicine

NLM-GW - National Library of Medicine · registered in the United States

IPv4 addresses65,53666 prefixes · 0.002% of announced IPv4

Rank in United States#1,045largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#2,956of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited States18,679 ASNs registered there

Open AS70 in ASN lookup Look up an IP in this network (130.14.0.1) All networks in United States

IPv4 prefixes

All 66 prefixes, in address order.

130.14.0.0/23
130.14.2.0/24
130.14.3.0/24
130.14.4.0/22
130.14.8.0/23
130.14.10.0/23
130.14.12.0/23
130.14.14.0/23
130.14.16.0/22
130.14.20.0/23
130.14.22.0/23
130.14.24.0/21
130.14.32.0/21
130.14.40.0/22
130.14.44.0/22
130.14.48.0/20
130.14.64.0/21
130.14.72.0/22
130.14.76.0/23
130.14.78.0/23
130.14.80.0/20
130.14.96.0/21
130.14.104.0/23
130.14.106.0/24
130.14.107.0/24
130.14.108.0/24
130.14.109.0/24
130.14.110.0/24
130.14.111.0/24
130.14.112.0/24
130.14.113.0/24
130.14.114.0/24
130.14.115.0/24
130.14.116.0/24
130.14.117.0/24
130.14.118.0/23
130.14.120.0/24
130.14.121.0/24
130.14.122.0/23
130.14.124.0/22
130.14.128.0/20
130.14.144.0/24
130.14.145.0/24
130.14.146.0/23
130.14.148.0/22
130.14.152.0/21
130.14.160.0/24
130.14.161.0/24
130.14.162.0/23
130.14.164.0/22
130.14.168.0/21
130.14.176.0/22
130.14.180.0/23
130.14.182.0/23
130.14.184.0/21
130.14.192.0/22
130.14.196.0/22
130.14.200.0/21
130.14.208.0/20
130.14.224.0/20
130.14.240.0/22
130.14.244.0/23
130.14.246.0/23
130.14.248.0/23
130.14.250.0/23
130.14.252.0/22

IPv6 prefixes

All 2 prefixes.

2607:f220:411::/48
2607:f220:41e::/48

Other ASNs named National Library of Medicine

1 other network uses the same organisation name; together with AS70 they announce 67,840 IPv4 addresses.

ASNNameIPv4 addresses

AS393689NLM-NCCS - National Library of Medicine US2,304

Similar-sized networks in United States

ASNNameIPv4 addresses

AS3659#1042 CLAREMONT - Claremont University Consortium65,536

AS33503#1043 MCW-1-AS - Medical College of Wisconsin65,536

AS33703#1044 HOFSTRA-UNIVERSITY - Hofstra University65,536

AS3495#1046 SENATE-AS - US Senate65,536

AS1657#1047 LOUISVILLE - University of Louisville65,536

AS2640#1048 AMESLAB-AS - Ames Laboratory65,536

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