AS1747 IBMWATSON-AS - IBM
πΊπΈARINassigned
Announced Prefixes (BGP)
4total
4 IPv40 IPv6
IPv4 Addresses
Allocated (RIR)66,304
Announced (BGP)66,304
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)0
Prefix Limit (IPv4)
100
Prefix Limit (IPv6)
5
Country
πΊπΈ USRIR
ARINStatus
assigned
Allocated
1992-02-19
Announced Prefixes
(BGP)4|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 | |
| No ROA | - | 2026-10-11 |
Allocated Prefixes
(RIR)4Prefix | Country | RIR | Status |
|---|---|---|---|
| 129.34.0.0/16 | πΊπΈ US | ARIN | allocated |
| 198.180.207.0/24 | πΊπΈ US | ARIN | allocated |
| 199.164.149.0/24 | πΊπΈ US | ARIN | allocated |
| 199.181.149.0/24 | πΊπΈ US | ARIN | allocated |
All 4 announced prefixes of AS1747 β
BGP Neighbours
(seen in AS paths)Upstreams (1)
Networks AS1747 hands its own prefixes to: transit providers, or peers at an exchange.
- AS46887Crown Castle Fiber4
Transfer History
Registry transfers of AS1747 between organisations.
- AS1747M&A Β·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| AS1747 | IBM T.J. Watson Research Center | M&A |
ASPA
No ASPA
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
- ASPA explainedWhy AS1747 should publish an ASPA object
- 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/1747Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/1747" | jq