AS3561 CenturyLink Communications, LLC
AS3561 (CENTURYLINK-LEGACY-SAVVIS) is registered to CenturyLink Communications, LLC in US. It originates 670 prefixes in the global routing table.
647
IPv4 prefixes
23
IPv6 prefixes
6,475,520
IPv4 addresses
30%
RPKI valid
Registration
Who holds AS3561
Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.
AS number
AS3561
Handle
CENTURYLINK-LEGACY-SAVVIS
Organization
CenturyLink Communications, LLC
Country
US
ASPA
None published
Routing
What AS3561 announces
Prefixes originated by AS3561 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).
IPv4 prefixes
647
IPv6 prefixes
23
IPv4 addresses
6,475,520 (25,295 /24s)
RPKI valid
201 30%
RPKI invalid
0
RPKI not found
469
ROAs naming AS3561
269
With an IRR route object
170 25%
Prefixes
Announced prefixes
Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.
IPv4 (647)
5.157.164.0/2223.26.66.0/2423.26.136.0/2423.26.202.0/2423.27.55.0/2423.27.115.0/2423.27.130.0/2423.230.194.0/2423.230.243.0/2437.49.144.0/2437.49.147.0/2445.38.5.0/2445.38.28.0/2445.38.49.0/2445.38.61.0/2445.38.66.0/2445.38.71.0/2445.38.108.0/2445.38.144.0/2445.38.147.0/2445.38.172.0/2445.38.247.0/2445.38.250.0/2445.39.54.0/2445.39.61.0/2445.39.68.0/2445.39.88.0/2445.39.89.0/2445.39.97.0/2445.39.133.0/2445.39.160.0/2445.39.177.0/2445.39.193.0/2450.114.32.0/2450.114.165.0/2450.114.173.0/2450.114.210.0/2450.117.28.0/2450.117.44.0/2450.117.73.0/2450.117.97.0/2450.117.100.0/2450.117.105.0/2450.118.215.0/2451.146.24.0/2251.241.176.0/2251.241.248.0/2262.216.64.0/2163.128.0.0/1663.128.0.0/1863.128.64.0/1863.128.85.0/2463.128.88.0/2463.128.128.0/1863.136.0.0/1863.136.4.0/2463.136.64.0/1963.136.96.0/2063.136.120.0/2163.136.128.0/1763.137.0.0/1663.137.32.0/2063.137.64.0/2063.137.112.0/2063.137.126.0/2463.137.176.0/2163.137.224.0/2063.146.199.0/2463.235.144.0/2464.14.0.0/1664.14.0.0/1964.14.32.0/1964.14.64.0/1964.14.96.0/2064.14.112.0/2064.14.128.0/2064.14.144.0/2164.14.160.0/1964.14.192.0/2064.14.201.0/2464.14.208.0/2064.14.224.0/2064.14.240.0/2064.15.160.0/1964.15.192.0/2064.15.224.0/1964.15.225.0/2464.22.128.0/1964.27.160.0/2064.28.64.0/1964.29.68.0/2264.29.74.0/2464.29.84.0/2264.37.192.0/1864.39.32.0/1964.41.128.0/1764.56.192.0/2064.58.64.0/1964.68.64.0/1964.70.0.0/1864.70.64.0/1964.70.96.0/2064.70.102.0/2464.75.0.0/1864.79.160.0/2064.85.64.0/1864.89.32.0/2064.202.245.0/2464.209.128.0/2064.209.160.0/1964.209.192.0/2064.209.224.0/2064.210.160.0/1964.210.192.0/1864.210.192.0/1964.210.224.0/1964.211.224.0/1964.240.0.0/1466.35.192.0/1866.37.192.0/19
Show 527 more
66.100.0.0/1566.119.32.0/2066.128.64.0/2066.128.224.0/2066.150.105.0/2466.180.130.0/2366.207.180.0/2267.54.0.0/1767.130.0.0/2468.68.99.0/2468.71.192.0/2169.32.180.0/2369.46.65.0/2469.46.76.0/2472.5.203.0/2472.35.0.0/2172.35.16.0/2172.35.24.0/2272.35.28.0/2277.36.124.0/2280.174.176.0/2281.161.4.0/2282.112.169.0/2482.118.64.0/1982.118.64.0/2282.118.68.0/2282.118.80.0/2382.118.92.0/2289.40.208.0/2491.237.44.0/2293.120.96.0/2296.126.134.0/2496.126.140.0/2496.126.141.0/2496.126.142.0/2496.126.143.0/24100.42.20.0/24100.42.21.0/24100.42.23.0/24103.11.68.0/22104.164.158.0/24104.252.0.0/24104.252.55.0/24104.252.60.0/24104.252.66.0/24104.252.96.0/24104.252.124.0/24104.252.143.0/24104.252.147.0/24104.252.158.0/24104.252.203.0/24104.252.235.0/24104.252.244.0/24104.253.2.0/24104.253.8.0/24104.253.9.0/24104.253.49.0/24104.253.53.0/24104.253.61.0/24104.253.99.0/24104.253.122.0/24104.253.130.0/24104.253.173.0/24108.165.6.0/24108.165.16.0/24108.165.17.0/24108.165.18.0/24108.165.19.0/24108.165.42.0/24108.165.43.0/24109.166.40.0/21109.166.48.0/21109.203.161.0/24109.203.163.0/24109.203.166.0/24130.254.32.0/24130.254.33.0/24130.254.34.0/24130.254.35.0/24130.254.36.0/24130.254.37.0/24130.254.38.0/24130.254.39.0/24136.0.239.0/24140.228.18.0/24140.228.19.0/24141.140.2.0/24141.140.3.0/24141.140.8.0/24141.140.9.0/24141.140.10.0/24141.140.11.0/24142.111.4.0/24142.111.249.0/24142.252.22.0/24142.252.31.0/24142.252.65.0/24142.252.80.0/24142.252.85.0/24142.252.92.0/24142.252.98.0/24142.252.105.0/24142.252.111.0/24142.252.119.0/24142.252.142.0/24142.252.147.0/24142.252.155.0/24142.252.157.0/24142.252.160.0/24142.252.175.0/24142.252.191.0/24144.225.168.0/24144.225.169.0/24144.225.170.0/24144.225.171.0/24149.19.157.0/24149.19.158.0/23151.248.72.0/21151.248.80.0/21151.248.88.0/22162.33.165.0/24162.33.166.0/24165.140.143.0/24165.193.0.0/16165.193.0.0/19165.193.32.0/19165.193.64.0/19165.193.96.0/20165.193.106.0/23165.193.112.0/20165.193.128.0/20165.193.192.0/19165.193.224.0/19166.0.117.0/24166.0.121.0/24166.0.122.0/24166.1.102.0/24166.1.248.0/24166.49.0.0/17166.63.128.0/19167.215.0.0/16167.216.128.0/17167.216.128.0/21167.216.160.0/20167.216.176.0/20167.216.192.0/20167.216.232.0/21167.216.240.0/20172.252.61.0/24172.252.93.0/24172.252.251.0/24172.252.252.0/24172.252.253.0/24175.110.100.0/22176.46.129.0/24176.46.130.0/24176.46.133.0/24176.46.135.0/24176.46.137.0/24176.118.80.0/21178.157.64.0/22178.159.64.0/22178.159.72.0/22185.123.144.0/22185.123.152.0/22185.143.76.0/24185.200.236.0/22188.119.144.0/22192.81.251.0/24192.107.118.0/24192.139.196.0/24192.207.230.0/24198.137.199.0/24199.6.20.0/24199.217.64.0/19199.242.16.0/21199.242.24.0/23200.229.25.0/24202.126.0.0/20203.82.128.0/19203.82.144.0/24204.13.202.0/23204.70.0.0/15204.70.128.0/24204.70.133.0/24204.70.138.0/24204.71.0.0/24204.71.32.0/22204.71.60.0/22204.71.128.0/22204.71.140.0/22204.71.176.0/20204.71.192.0/20204.71.232.0/22204.188.0.0/17204.188.128.0/21204.188.144.0/20204.188.160.0/19204.194.8.0/21205.136.0.0/16205.138.0.0/15205.138.24.0/21205.138.32.0/21205.138.40.0/21205.138.112.0/22205.138.116.0/22205.138.120.0/21205.138.144.0/20205.138.168.0/22205.138.172.0/22205.138.192.0/22205.138.196.0/24205.138.197.0/24205.138.240.0/20205.138.243.0/24205.139.16.0/20205.139.21.0/24205.139.32.0/19205.139.64.0/20205.139.68.0/24205.139.88.0/23205.139.96.0/20205.139.112.0/20205.139.128.0/19205.139.132.0/24205.139.160.0/20205.140.0.0/17205.140.128.0/19205.140.160.0/20205.140.192.0/18205.140.192.0/19205.140.224.0/19205.164.28.0/24205.164.38.0/24205.164.58.0/24205.186.65.0/24205.216.0.0/16205.216.0.0/18205.216.64.0/20205.216.128.0/22205.216.248.0/24205.217.0.0/17205.217.0.0/19205.217.96.0/20205.217.128.0/18205.217.128.0/20205.217.160.0/19205.217.192.0/19205.217.192.0/20205.217.208.0/20205.218.0.0/15205.218.0.0/18205.219.64.0/18205.219.216.0/21205.219.224.0/19205.219.237.0/24206.24.0.0/17206.24.0.0/20206.24.160.0/19206.24.192.0/18206.25.0.0/16206.25.16.0/20206.25.32.0/20206.25.64.0/19206.25.240.0/20206.26.0.0/15206.27.160.0/19206.28.0.0/17206.28.70.0/23206.28.128.0/19206.28.160.0/20206.28.192.0/18206.29.128.0/20206.31.0.0/16206.31.0.0/19206.31.32.0/19206.31.64.0/21206.31.228.0/24206.31.229.0/24206.31.232.0/24206.31.233.0/24206.31.240.0/20206.40.128.0/19206.79.0.0/16206.79.0.0/21206.79.144.0/20206.79.181.0/24206.79.184.0/21206.79.192.0/19206.79.210.0/24206.96.0.0/18206.96.96.0/19206.96.128.0/17206.97.0.0/20206.97.16.0/21206.97.32.0/19206.97.64.0/18206.99.0.0/18206.99.64.0/19206.99.96.0/20206.99.112.0/21206.99.128.0/17206.100.0.0/14206.100.0.0/21206.101.32.0/21206.128.0.0/19206.128.128.0/18206.128.128.0/19206.128.160.0/19206.129.0.0/16206.132.0.0/19206.132.0.0/20206.132.16.0/20206.132.32.0/20206.132.40.0/22206.132.144.0/20206.142.0.0/16206.142.192.0/18206.150.0.0/16206.150.64.0/19206.150.168.0/22206.150.180.0/22206.151.0.0/19206.151.32.0/20206.151.64.0/18206.151.128.0/17206.151.160.0/22206.151.164.0/22206.152.0.0/16206.152.0.0/18206.152.0.0/24206.152.8.0/22206.152.18.0/24206.152.128.0/20206.155.0.0/16206.155.64.0/18206.208.176.0/24206.208.179.0/24206.208.183.0/24206.223.78.0/24207.0.0.0/15207.2.0.0/18207.2.64.0/19207.2.80.0/20207.2.128.0/17207.2.192.0/21207.2.200.0/22207.2.204.0/22207.82.0.0/16207.82.12.0/22207.82.16.0/22207.82.24.0/22207.82.32.0/20207.82.64.0/18207.82.176.0/21207.82.192.0/18207.170.176.0/22207.189.64.0/20207.189.88.0/21208.48.64.0/18208.48.208.0/20208.50.128.0/18208.130.0.0/16208.131.0.0/17208.131.192.0/18208.133.0.0/16208.134.0.0/15208.134.240.0/21208.136.0.0/15208.144.0.0/13208.156.0.0/16208.157.0.0/17208.157.8.0/22208.157.128.0/20208.157.152.0/21208.158.0.0/15208.158.236.0/22208.158.244.0/22208.163.0.0/19208.163.64.0/18208.166.0.0/19208.166.64.0/18208.167.0.0/17208.167.128.0/18208.167.208.0/20208.168.0.0/17208.168.192.0/19208.169.0.0/18208.169.96.0/19208.169.128.0/17208.170.0.0/16208.170.71.0/24208.172.0.0/16208.172.200.0/22208.173.0.0/17208.173.128.0/18208.174.0.0/16208.175.0.0/17208.175.64.0/22208.175.65.0/24208.175.66.0/24208.175.160.0/19208.175.192.0/19208.175.204.0/22209.1.0.0/16209.1.0.0/20209.1.5.0/24209.1.6.0/24209.1.56.0/21209.1.64.0/21209.1.80.0/21209.1.88.0/21209.1.120.0/21209.1.160.0/22209.1.208.0/20209.1.232.0/21209.1.248.0/21209.16.211.0/24209.25.0.0/17209.27.0.0/19209.27.32.0/20209.27.56.0/22209.27.64.0/18209.27.128.0/17209.67.0.0/16209.67.64.0/18209.67.128.0/18209.67.192.0/21209.67.208.0/20209.67.224.0/19209.73.129.0/24209.73.130.0/24209.73.140.0/24209.73.147.0/24209.73.148.0/24209.83.128.0/17209.143.192.0/20209.143.224.0/19209.143.224.0/20209.143.240.0/20209.144.0.0/16209.145.47.0/24209.185.0.0/16209.185.8.0/21209.185.32.0/19209.185.41.0/24209.185.96.0/20209.185.128.0/21209.185.152.0/21209.185.192.0/20209.185.208.0/21209.185.216.0/21209.202.128.0/18209.223.0.0/16209.225.0.0/18209.225.20.0/23212.124.224.0/19213.174.192.0/19213.174.209.0/24213.174.212.0/23213.174.216.0/23216.14.160.0/20216.32.0.0/14216.32.0.0/19216.32.32.0/19216.32.120.0/21216.32.128.0/19216.32.160.0/19216.32.224.0/19216.33.0.0/19216.33.60.0/22216.33.64.0/19216.33.96.0/19216.33.132.0/22216.33.160.0/19216.33.192.0/20216.33.198.0/24216.33.224.0/19216.34.0.0/19216.34.32.0/20216.34.48.0/20216.34.64.0/19216.34.96.0/19216.34.128.0/20216.34.144.0/20216.34.160.0/20216.34.176.0/20216.34.192.0/19216.34.224.0/19216.35.0.0/19216.35.64.0/20216.35.104.0/21216.35.112.0/20216.35.128.0/19216.35.176.0/20216.35.192.0/20216.35.208.0/20216.35.224.0/19216.35.245.0/24216.39.32.0/20216.39.37.0/24216.39.38.0/23216.39.64.0/19216.39.96.0/20216.48.64.0/20216.64.192.0/19216.69.224.0/20216.74.128.0/18216.74.128.0/19216.88.0.0/14216.104.224.0/19216.109.64.0/19216.118.192.0/20216.136.128.0/17216.136.132.0/25216.144.64.0/20216.172.133.0/24216.172.136.0/24216.172.147.0/24216.176.48.0/20216.177.64.0/19216.182.160.0/20216.182.192.0/19216.219.64.0/20216.224.96.0/20216.227.192.0/20216.227.224.0/20
IPv6 (23)
2001:460:8:3000::/522001:460:10:1000::/522001:460:10:2000::/522001:460:18:2000::/522001:460:18:3e00::/552001:460:18:800e::/642001:460:18:8100::/562001:460:28:3000::/522001:460:38:3000::/522001:460:38:3001::/642001:460:38:7000::/522001:460:38:7001::/642001:460:40:3000::/522001:460:40:4000::/522001:460:40:5000::/522001:460:50:6000::/522001:460:50:7000::/522001:460:58:5000::/522001:460:58:6000::/522001:460:60:3000::/522001:460:68:2000::/522001:460:100::/462a02:5860::/52
RPKI valid RPKI invalid no ROA covers it
Neighbors
Who AS3561 is reached through
The AS just before AS3561 in the paths our looking glass collectors hold, for 60 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.
IRR
Routing registry objects
From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.
Route objects with origin AS3561: ARIN 189 · RADB 104 · RIPE 36 · APNIC 8 · AFRINIC 4
as-sets that list AS3561 (32)
AS-AMENANETVSCWAS-ANC-CUSTOMER-PROXY-REGISTERAS-CTBC-CUSTOMERS241AS-CTBC-CUSTOMERS74AS-EBAY-TRANSITAS-IIJAS-IIJ6AS-INCAPSULAAS-INTERNET-EGYPTAS-LEVEL3-CUSTOMERS-EUAS-LEVEL3-TRANSITSAS-LUMEN-ASNSAS-LUMEN-CUSTOMERS-ASNSAS-SINGTELAS-STARHUBAS-TELSTRA-INTL-CUSTOMERS-4637AS-TTNETAS-XO-PAS19551:AS-IMPERVAAS199746:AS-BLACKLISTAS204464:AS-BLACKLISTAS2497:AS-IIJAS2497:AS-IIJ6AS2914:AS-3908-DOWNSTREAMSAS35985:AS-TRANSIT-PROVIDERSAS3908:AS-CTL-APAC-DOWNSTREAMSAS51202:AS-ALLAS577:AS-TRANSITSAS6695:AS-DECIX-FRA-CONNECTEDAS6695:AS-DECIX-FRA-RSAS6695:AS-DECIX-FRA-RS-V6AS7473:AS-CUSTOMERS:AS9911