HomeASN LookupAS3561

AS3561

🇺🇸

CENTURYLINK-LEGACY-SAVVIS - CenturyLink Communications, LLCcdb7d42057bd214092d6080308ab9a85

ARINassigned
Announced Prefixes (BGP)
701total
699 IPv42 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)8.8M
Announced (BGP)10.2M
IPv6 Addresses ⓘ
Allocated (RIR)0
Announced (BGP)9.6×10^24
Prefix Limit (IPv4)
10,000
Prefix Limit (IPv6)
10
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
10/7/1998

Announced Prefixes

(BGP)666
|
Prefix
RPKI
IRR
Last Seen
23.26.202.0/24
 Valid
ARIN
5/17/2026
23.230.137.0/24
 Invalid—5/17/2026
23.230.194.0/24
 Valid
ARINRADB
5/17/2026
23.230.243.0/24
 Valid
ARINRADB
5/17/2026
45.38.49.0/24
 Valid
ARINRADB
5/17/2026
45.38.144.0/24
 Valid
ARINRADB
5/17/2026
45.38.249.0/24MOAS
 Invalid—5/17/2026
45.39.54.0/24
 Valid
ARINRADB
5/17/2026
46.151.36.0/22
 Valid
RIPE
5/17/2026
50.114.32.0/24
 Valid
ARIN
5/17/2026
1–10 of 666
1 / 67

Allocated Prefixes

(RIR)260
Prefix
Country
RIR
Status
46.151.36.0/22🇺🇸 USRIPEassigned
62.216.64.0/21🇺🇸 USRIPEassigned
63.128.0.0/15🇺🇸 USARINallocated
63.136.0.0/18🇺🇸 USARINallocated
63.136.64.0/19🇺🇸 USARINallocated
63.136.96.0/20🇺🇸 USARINallocated
63.136.120.0/21🇺🇸 USARINallocated
63.136.128.0/17🇺🇸 USARINallocated
63.137.0.0/16🇺🇸 USARINallocated
64.14.0.0/16🇺🇸 USARINallocated
1–10 of 260
1 / 26
ASPA
No ASPA
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/3561

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/3561" | jq