HomeASN LookupAS557

AS557

🇺🇸

UMAINE-SYS-AS - University of Maine System50c89ff363cdda961fa2ee78b7da9901

ARINassigned
Announced Prefixes (BGP)
18total
17 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)292,096
Announced (BGP)292,864
IPv6 Addresses ⓘ
Allocated (RIR)7.9×10^28
Announced (BGP)7.9×10^28
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
12/13/1989

Announced Prefixes

(BGP)18
|
Prefix
RPKI
IRR
Last Seen
64.45.64.0/18
 Valid
ARIN
5/23/2026
65.18.0.0/18
 Valid
ARIN
5/23/2026
65.18.64.0/19
 Valid
ARIN
5/23/2026
65.18.96.0/20
 Valid
ARIN
5/23/2026
130.111.0.0/16
 Valid
ARIN
5/23/2026
141.114.0.0/16
 Valid
ARIN
5/23/2026
169.244.0.0/16
 Valid
ARIN
5/23/2026
198.148.217.0/24
No ROA—5/23/2026
198.182.161.0/24
No ROA
RADB
5/23/2026
198.182.162.0/23
No ROA
RADB
5/23/2026
1–10 of 18
1 / 2

Allocated Prefixes

(RIR)15
Prefix
Country
RIR
Status
64.45.64.0/18🇺🇸 USARINallocated
65.18.0.0/18🇺🇸 USARINallocated
65.18.64.0/19🇺🇸 USARINallocated
65.18.96.0/20🇺🇸 USARINallocated
130.111.0.0/16🇺🇸 USARINallocated
141.114.0.0/16🇺🇸 USARINallocated
169.244.0.0/16🇺🇸 USARINallocated
198.182.161.0/24🇺🇸 USARINallocated
198.182.162.0/23🇺🇸 USARINallocated
198.202.151.0/24🇺🇸 USARINallocated
1–10 of 15
1 / 2

Downstream Customers(1)

ASNName
AS14789🇺🇸CLOUDFLARENET - Cloudflare, Inc.
ASPA
No ASPA0 upstreams, 1 downstream
Listed as Upstream Provider by
1 ASN
View full ASPA details →
External Links
ARIN WhoisHurricane Electric BGPRIPEstatPeeringDB
API
Open
GEThttps://api.ipctl.io/v1/asn/557

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

curl -s "https://api.ipctl.io/v1/asn/557" | jq