AS16905 LEARN-RESEARCH - LEARN
πΊπΈARINassigned
Announced Prefixes (BGP)
7total
4 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)0
Announced (BGP)1,024
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)3.6Γ10Β²β΄
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
10
Country
πΊπΈ USRIR
ARINStatus
assigned
Allocated
2000-06-28
Routing hygiene
Score 46/100 Β· Medium riskRPKI ROA coverage
0%
no RPKI invalid prefixes
IRR route objects
57.1%
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 (7 of 7) have no valid ROA
- Only one upstream seen in the AS paths of its routes
- 43% of announced prefixes (3 of 7) have no IRR route object for this ASN
Based on 7 announced prefixes, updated daily (2026-10-23). How the score works Β· RPKI explained
Announced Prefixes
(BGP)7|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-24 | |
74.200.179.0/24MOAS | No ROA | - | 2026-10-24 |
74.200.186.0/24MOAS | No ROA | Other IRR | 2026-10-24 |
| No ROA | Other IRR | 2026-10-24 | |
| No ROA | Other IRR | 2026-10-24 | |
| No ROA | Other IRR | 2026-10-24 | |
| No ROA | - | 2026-10-24 |
All 7 announced prefixes of AS16905 β
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS589 | πΊπΈUNT - University of North Texas |
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS16905 hands its own prefixes to: transit providers, or peers at an exchange.
- AS11537Internet27
Downstreams (6)
Networks whose own prefixes AS16905 passes on: usually its customers.
Transfer History
Registry transfers of AS16905 between organisations.
- AS16905M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| AS16905 | North Texas GigaPOP | LEARN | M&A |
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/16905Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/16905" | jq