Social Security Administration operates AS11985: 3 IPv4 prefixes covering 18,688 addresses, most of them in 
United States.
By IPv4 addresses the network ranks #6,367 worldwide and #2,185 of 18,202 networks in United States.
The largest block is 137.200.0.0 to 137.200.63.255 with 16,384 addresses, geolocated to Baltimore.
- IPv4 addresses
- 18,688
- IPv4 prefixes
- 3
- World rank
- #6,367
- IPv6 ranges
- 2
Addresses by country
- United States 100%
Largest blocks
- 137.200.0.0 Baltimore16,384
- 199.173.224.0 Springfield2,048
- 137.200.228.0 Washington D.C.256
Networks of similar size
- AS138982 China Telecom
18,688 - AS38105 SOON CHUN HYANG UNIVERSITY
18,688 - AS288 European Space Agency (ESA)
18,688 - AS151386 NHN Cloud Japan Corporation
18,688 - AS28403 RadioMovil Dipsa, S.A. de C.V.
18,688 - AS28226 Vogel Soluções em Telecom e Informática S/A
18,688 - AS8018 Velocity Networks, Inc.18,688
- AS48209 OOO LANCRONIX
18,688
IPv4 prefixes
Questions and answers
Who owns AS11985?
Autonomous system AS11985 is operated by Social Security Administration.
How many IP addresses does AS11985 have?
The network holds 18,688 IPv4 addresses in 3 prefixes, plus 2 IPv6 ranges.
Which country is AS11985 in?
The main country is United States.
How big is AS11985?
By IPv4 addresses it ranks #6,367 worldwide.
What is the largest address block of AS11985?
137.200.0.0 to 137.200.63.255, 16,384 addresses.