AS5050 PSC-EXT - Pittsburgh Supercomputing Center
🇺🇸ARINassigned
Announced Prefixes (BGP)
19total
17 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)74,752
Announced (BGP)81,152
IPv6 Addresses
Allocated (RIR)7.9×10²⁸
Announced (BGP)7.9×10²⁸
Routing hygiene
Score 14/100 · Low riskRPKI ROA coverage
68.4%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
3
diversity 50/100
- 32% of announced prefixes (6 of 19) have no valid ROA
Based on 19 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Announced Prefixes
(BGP)19|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | Other IRR | 2026-10-26 | |
| Valid | ARINOther IRR | 2026-10-26 | |
| No ROA | ARINOther IRR | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | - | 2026-10-26 | |
| Valid | ARIN | 2026-10-26 | |
| No ROA | - | 2026-10-26 | |
| Valid | - | 2026-10-26 |
1-10 of 19
1 / 2
Allocated Prefixes
(RIR)8Prefix | Country | RIR | Status |
|---|---|---|---|
| 104.128.208.0/20 | 🇺🇸 US | ARIN | allocated |
| 147.73.0.0/16 | 🇺🇸 US | ARIN | allocated |
| 167.88.240.0/20 | 🇺🇸 US | ARIN | allocated |
| 192.70.222.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.88.114.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.88.115.0/24 | 🇺🇸 US | ARIN | allocated |
| 192.231.244.0/24 | 🇺🇸 US | ARIN | allocated |
| 2001:5e8::/32 | 🇺🇸 US | ARIN | allocated |
All 19 announced prefixes of AS5050 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS19281 | 🇺🇸QUAD9-AS-1 - Quad9 |
BGP Neighbours
(seen in AS paths)Upstreams (3)
Networks AS5050 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (8)
Networks whose own prefixes AS5050 passes on: usually its customers.
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the ARIN regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/5050Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/5050" | jq