AS4913 Speedcast Communications, Inc

NET-CPRK - Speedcast Communications, Inc · registered in the United States

IPv4 addresses28,43255 prefixes · <0.001% of announced IPv4

Rank in United States#1,837largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#5,143of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS4913 in ASN lookup Look up an IP in this network (61.200.83.145) All networks in United States

IPv4 prefixes

All 55 prefixes, in address order.

61.200.83.144/28
64.19.240.0/20
64.49.144.0/24
72.2.224.0/21
72.2.232.0/22
72.2.236.0/24
72.2.237.0/24
72.2.238.0/23
74.119.160.0/23
74.119.163.0/24
74.119.164.0/22
79.140.194.0/24
79.140.200.0/23
79.140.202.0/24
79.140.203.0/24
79.140.204.0/22
84.22.76.0/24
89.21.180.0/24
89.254.18.0/23
103.27.160.0/23
103.27.162.0/24
111.92.178.0/24
185.7.15.0/24
186.208.32.0/23
186.208.36.0/22
186.208.44.0/22
202.80.160.0/22
202.80.165.0/24
202.80.166.0/23
202.80.169.0/24
202.80.170.0/23
202.80.172.0/24
202.80.174.0/23
202.174.130.0/24
202.174.155.0/24
202.174.156.0/23
202.174.159.0/24
203.88.86.0/23
203.88.88.0/23
203.88.90.0/24
203.88.95.0/24
207.241.174.0/24
212.39.161.0/24
212.39.162.0/24
212.39.164.0/24
212.39.166.0/23
212.39.170.0/24
212.39.172.0/23
212.39.174.0/24
212.39.176.0/23
212.39.178.0/24
212.39.180.0/24
212.39.184.0/23
212.39.190.0/24
216.226.74.0/23

Other ASNs named Speedcast Communications, Inc

1 other network uses the same organisation name; together with AS4913 they announce 28,944 IPv4 addresses.

ASNNameIPv4 addresses

AS5666NET-CPRK - Speedcast Communications, Inc US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS10843#1834 AITNET - Advanced Internet Technologies28,672

AS18454#1835 AUGSBURG - Augsburg University28,672

AS393581#1836 WAYNENET - Wayne County Regional Educational Service Agency28,672

AS22439#1838 PERFECT-INTERNATIONAL - Perfect International, Inc28,416

AS17161#1839 MMC - Marsh Inc.28,416

AS40628#1840 OKLAHOMA-OMES - Oklahoma Office of Management & Enterprise Services28,416

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