HomeASN LookupAS21508Prefixes

AS21508 Announced Prefixes - page 2

219 prefixes originated in BGP by AS21508 Comcast Cable Communications.

Prefixes 101-200

PrefixRPKIIRRLast Seen
76.123.0.0/18 Valid-2026-10-12
96.75.192.0/19 Valid-2026-10-12
96.82.0.0/20 Valid-2026-10-12
96.82.24.0/21 Valid-2026-10-12
96.84.224.0/20 Valid-2026-10-12
96.85.32.0/20 Valid-2026-10-12
96.89.0.0/19 Valid-2026-10-12
96.94.208.0/20 Valid-2026-10-12
96.96.176.0/21 Valid-2026-10-12
96.108.106.0/23 Valid-2026-10-12
96.108.129.0/24 Valid-2026-10-12
96.108.130.0/23 Valid-2026-10-12
96.108.140.0/23 Valid-2026-10-12
96.109.65.0/24 Valid-2026-10-12
96.109.165.0/24 Valid-2026-10-12
96.109.200.0/22 Valid-2026-10-12
96.110.123.0/24 Valid-2026-10-12
96.110.200.0/22 Valid-2026-10-12
96.114.56.0/23 Valid-2026-10-12
96.124.244.0/22 Valid-2026-10-12
96.208.0.0/21 Valid-2026-10-12
96.216.16.0/22 Valid-2026-10-12
96.216.88.0/22 Valid-2026-10-12
141.104.0.0/16No ROA-2026-10-12
157.240.147.0/24No ROAOther IRR2026-10-12
157.240.148.0/24No ROAOther IRR2026-10-12
162.151.58.0/23 Valid-2026-10-12
162.151.162.0/23 Valid-2026-10-12
162.151.255.0/24 Valid-2026-10-12
173.14.112.0/20 Valid-2026-10-12
173.14.193.0/24 Valid-2026-10-12
173.15.192.0/20 Valid-2026-10-12
173.163.192.0/20 Valid-2026-10-12
173.167.32.0/20 Valid-2026-10-12
173.167.48.0/22 Valid-2026-10-12
173.167.52.0/22 Valid-2026-10-12
173.167.80.0/22 Valid-2026-10-12
173.242.174.0/24No ROA-2026-10-12
174.53.64.0/19 Valid-2026-10-12
174.179.0.0/16 Valid-2026-10-12
184.115.0.0/18 ValidARIN2026-10-12
198.90.112.0/22No ROA-2026-10-12
204.194.47.0/24No ROA-2026-10-12
205.223.19.0/24No ROA-2026-10-12
2001:558:180::/44 Valid-2026-10-12
2001:558:230::/44 Valid-2026-10-12
2001:558:501e::/48 Valid-2026-10-12
2001:558:6023::/48 Valid-2026-10-12
2001:558:6036::/48 Valid-2026-10-12
2001:558:701a::/48 Valid-2026-10-12
2001:558:a006::/48 ValidARIN2026-10-12
2001:558:fe30::/48 Valid-2026-10-12
2001:559:8a::/48 Valid-2026-10-12
2001:559:c0::/48 Valid-2026-10-12
2001:559:f7::/48 Valid-2026-10-12
2001:559:220::/48 Valid-2026-10-12
2001:559:243::/48 Valid-2026-10-12
2001:559:280::/48 Valid-2026-10-12
2001:559:37d::/48 Valid-2026-10-12
2001:559:3ac::/48 Valid-2026-10-12
2001:559:3b9::/48 Valid-2026-10-12
2001:559:3c8::/48 Valid-2026-10-12
2001:559:40a::/48 Valid-2026-10-12
2001:559:49a::/48 Valid-2026-10-12
2001:559:49b::/48 Valid-2026-10-12
2001:559:53c::/48 Valid-2026-10-12
2001:559:5c9::/48 Valid-2026-10-12
2001:559:5db::/48 Valid-2026-10-12
2001:559:72b::/48 Valid-2026-10-12
2001:559:73c::/48 Valid-2026-10-12
2001:559:788::/48 Valid-2026-10-12
2001:559:78a::/48 Valid-2026-10-12
2001:559:79d::/48 Valid-2026-10-12
2001:559:79e::/48 Valid-2026-10-12
2001:559:7a7::/48 Valid-2026-10-12
2001:559:7db::/48 Valid-2026-10-12
2001:559:804c::/48 Valid-2026-10-12
2001:559:81bf::/48 Valid-2026-10-12
2001:559:81d7::/48 Valid-2026-10-12
2001:559:81d8::/48 Valid-2026-10-12
2001:559:8201::/48 Valid-2026-10-12
2001:559:82fd::/48 Valid-2026-10-12
2001:559:833e::/48 Valid-2026-10-12
2001:559:8416::/48 Valid-2026-10-12
2001:559:841c::/48 Valid-2026-10-12
2001:559:8445::/48 Valid-2026-10-12
2001:559:8535::/48 Valid-2026-10-12
2001:559:85c1::/48 Valid-2026-10-12
2001:559:85ff::/48 Valid-2026-10-12
2001:559:8604::/48 Valid-2026-10-12
2001:559:871a::/48 Valid-2026-10-12
2001:559:875f::/48 Valid-2026-10-12
2001:559:8773::/48 Valid-2026-10-12
2001:559:87b2::/48 Valid-2026-10-12
2001:559:c071::/48 Valid-2026-10-12
2001:559:c0f6::/48 Valid-2026-10-12
2001:559:c0f7::/48 Valid-2026-10-12
2001:559:c10a::/48 Valid-2026-10-12
2001:559:c174::/48 Valid-2026-10-12
2001:559:c1a5::/48 Valid-2026-10-12
AS21508 Announced Prefixes - Page 2 | ipctl.io