AS55219
Cisco Systems, Inc.- Announced prefixes
- 3
- Upstreams
- 3
- Peers
- 97
- Downstreams
- 0
Adjacent ASNs
Neighbor nodes aren't clickable. To look up an ASN, use the ASN lookup page
All Neighbor ASNs
Upstream3
Buys transit from them
- AS3356
- AS6461
- AS15830
Peer97
Settlement-free traffic exchange
- AS293
- AS559
- AS1103
- AS1140
- AS1764
- AS1828
- AS2381
- AS3214
- AS3216
- AS3333
- AS4181
- AS4455
- AS4826
- AS5405
- AS5713
- AS6057
- AS6777
- AS6939
- AS7195
- AS8220
- AS8298
- AS9044
- AS11039
- AS12552
- AS12637
- AS12779
- AS12859
- AS12969
- AS13194
- AS13237
- AS13786
- AS14630
- AS14907
- AS15576
- AS15605
- AS16552
- AS18106
- AS19653
- AS20764
- AS20766
- AS20932
- AS23367
- AS23673
- AS24482
- AS24940
- AS24961
- AS25091
- AS25160
- AS25220
- AS29075
- AS29140
- AS30844
- AS32590
- AS34019
- AS34177
- AS34288
- AS34927
- AS35280
- AS37100
- AS37468
- AS37497
- AS37721
- AS38880
- AS39120
- AS39122
- AS39351
- AS40271
- AS42541
- AS45352
- AS47147
- AS47957
- AS48185
- AS48362
- AS48919
- AS49544
- AS49605
- AS50300
- AS50673
- AS50763
- AS51184
- AS51873
- AS51907
- AS52320
- AS53828
- AS56987
- AS57695
- AS58511
- AS61049
- AS62167
- AS132337
- AS137409
- AS199524
- AS199938
- AS212483
- AS212635
- AS271253
- AS398465
Downstream0
Buys transit from this AS
None
Recent Prefix Changes
latest 5IP prefixes this ASN started or stopped announcing (derived by diffing successive data syncs).
- Announced
12.167.151.0/242026-09-05 - Withdrawn
12.167.151.0/242026-08-28 - Announced
12.167.151.0/242026-08-23 - Withdrawn
12.167.151.0/242026-07-29 - Announced
12.167.151.0/242026-07-17
Data: local · Updated 2026-09-05 11:58:51