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AS3561

CenturyLink Communications, LLC
Announced prefixes
1,376
Upstreams
3
Peers
2
Downstreams
52

Adjacent ASNs

UpstreamDownstreamAS209AS209AS3356AS3356AS3910AS3910AS6989AS6989AS7761AS7761AS10959AS10959AS13458AS13458AS13494AS13494AS14109AS14109AS14524AS14524AS14688AS14688+44 more+44 more2 peer ASNs (exchange traffic as equals, not a hierarchy)Peers ×2AS3561

Neighbor nodes aren't clickable. To look up an ASN, use the ASN lookup page

All Neighbor ASNs

Upstream3

Buys transit from them

  • AS209
  • AS3356
  • AS3910

Peer2

Settlement-free traffic exchange

  • AS7991
  • AS58057

Downstream52

Buys transit from this AS

  • AS6989
  • AS7761
  • AS10959
  • AS13458
  • AS13494
  • AS14109
  • AS14524
  • AS14688
  • AS15349
  • AS19701
  • AS20391
  • AS21563
  • AS21622
  • AS22064
  • AS22157
  • AS22283
  • AS23147
  • AS26158
  • AS29457
  • AS32988
  • AS33717
  • AS36433
  • AS36539
  • AS39965
  • AS40026
  • AS40685
  • AS40695
  • AS40946
  • AS46160
  • AS46263
  • AS46269
  • AS46680
  • AS46885
  • AS53288
  • AS53687
  • AS54262
  • AS54645
  • AS62224
  • AS62520
  • AS62827
  • AS63427
  • AS64212
  • AS201493
  • AS393697
  • AS393738
  • AS393888
  • AS394463
  • AS394792
  • AS395952
  • AS396167
  • AS397323
  • AS399943

Recent Prefix Changes

latest 50

IP prefixes this ASN started or stopped announcing (derived by diffing successive data syncs).

  • Withdrawn130.193.3.0/242026-09-01
  • Announced103.11.68.0/222026-08-31
  • Announced206.142.235.0/242026-08-29
  • Withdrawn23.230.137.0/242026-08-26
  • Withdrawn50.117.64.0/242026-08-26
  • Withdrawn103.11.68.0/222026-08-26
  • Withdrawn199.243.148.0/222026-08-26
  • Withdrawn206.29.0.0/172026-08-26
  • Announced23.230.137.0/242026-08-26
  • Announced50.117.64.0/242026-08-26
  • Announced103.11.68.0/222026-08-26
  • Announced199.243.148.0/222026-08-26
  • Announced206.29.0.0/172026-08-26
  • Withdrawn50.117.64.0/242026-08-25
  • Announced209.202.144.0/242026-08-24
  • Withdrawn103.11.68.0/222026-08-21
  • Announced216.227.196.0/242026-08-20
  • Announced66.100.108.0/242026-08-15
  • Announced63.146.199.0/242026-08-15
  • Withdrawn63.146.199.0/242026-08-15
  • Announced64.209.138.0/242026-08-14
  • Announced216.39.87.0/242026-08-14
  • Withdrawn64.209.137.0/242026-08-13
  • Withdrawn209.67.166.0/242026-08-13
  • Announced64.209.137.0/242026-08-13
  • Announced209.67.166.0/242026-08-13
  • Announced166.0.122.0/242026-08-09
  • Announced206.25.70.0/242026-08-09
  • Announced206.26.185.0/242026-08-09
  • Withdrawn205.138.224.0/202026-07-31
  • Announced205.138.224.0/202026-07-31
  • Withdrawn209.67.219.0/242026-07-30
  • Withdrawn142.111.153.0/242026-07-29
  • Withdrawn142.111.186.0/242026-07-29
  • Withdrawn142.111.197.0/242026-07-29
  • Withdrawn142.111.222.0/242026-07-29
  • Withdrawn142.111.238.0/242026-07-29
  • Announced209.67.219.0/242026-07-29
  • Announced165.193.54.0/232026-07-28
  • Announced205.139.32.0/232026-07-28
  • Withdrawn165.193.54.0/232026-07-28
  • Withdrawn205.139.32.0/232026-07-28
  • Withdrawn216.39.111.0/242026-07-25
  • Withdrawn206.26.185.0/242026-07-24
  • Withdrawn66.100.108.0/242026-07-24
  • Announced66.100.108.0/242026-07-24
  • Announced208.137.6.0/242026-07-23
  • Announced208.158.227.0/242026-07-23
  • Announced103.11.68.0/222026-07-21
  • Announced23.26.66.0/242026-07-20

Data: local · Updated 2026-09-03 15:52:07