HomeASN LookupAS2553

AS2553 FSU-AS - Florida State University

🇺🇸
ARINassigned
Announced Prefixes (BGP)
8total
7 IPv41 IPv6
IPv4 Addresses
Allocated (RIR)131,328
Announced (BGP)197,888
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)1.2×10²⁴
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
1993-03-18

Routing hygiene

Score 56/100 · High risk
RPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
62.5%
3 prefixes registered for another origin
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
  • 100% of announced prefixes (8 of 8) have no valid ROA
  • 3 prefixes registered in IRR route objects for another active network and not authorized by a ROA
  • Only one upstream seen in the AS paths of its routes
  • 38% of announced prefixes (3 of 8) have no IRR route object for this ASN

Based on 8 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained

Announced Prefixes

(BGP)8
|
Prefix
RPKI
IRR
Last Seen
128.186.0.0/16
No ROA
Other IRR
2026-10-27
144.174.0.0/16
No ROA
Other IRR
2026-10-27
144.174.96.0/22
No ROA-2026-10-27
146.201.0.0/17
No ROA-2026-10-27
146.201.128.0/18
No ROA-2026-10-27
146.201.192.0/18
No ROA-2026-10-27
192.80.53.0/24
No ROA
Other IRR
2026-10-27
2607:f5d8:20::/48
No ROA
ARIN
2026-10-27

Allocated Prefixes

(RIR)3
Prefix
Country
RIR
Status
128.186.0.0/16🇺🇸 USARINallocated
144.174.0.0/16🇺🇸 USARINallocated
192.80.53.0/24🇺🇸 USARINallocated

All 8 announced prefixes of AS2553 →

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS2553 hands its own prefixes to: transit providers, or peers at an exchange.

ASPA
No ASPA
External Links
ARIN WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/2553

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

curl -s "https://api.ipctl.io/v1/asn/2553" | jq