AS20
🇺🇸UR - University of Rochester074f3b82f5a90acfdd8da608108e8656
ARINassigned
Announced Prefixes (BGP)
4total
3 IPv41 IPv6
IPv4 Addresses ⓘ
Allocated (RIR)66,304
Announced (BGP)66,048
IPv6 Addresses ⓘ
Allocated (RIR)3×10^26
Announced (BGP)3×10^26
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
🇺🇸 US
RIR
ARIN
Status
assigned
Allocated
7/27/1984
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | ARIN | 5/25/2026 | |
| Valid | ARIN | 5/25/2026 | |
| Valid | ARINRADB | 5/25/2026 | |
| Valid | ARINRADB | 5/25/2026 |
Allocated Prefixes
(RIR)5Prefix | Country | RIR | Status |
|---|---|---|---|
| 128.151.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 192.5.53.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.12.27.0/24 | 🇺🇸 US | ARIN | allocated |
| 199.89.214.0/24 | 🇺🇸 US | ARIN | allocated |
| 2620:107:a000::/40 | 🇺🇸 US | ARIN | allocated |
ASPA
No ASPA
External Links
API
Open https://api.ipctl.io/v1/asn/20Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/20" | jq