AS17638 CHINATELECOM-TJ-AS-AP ASN for TIANJIN Provincial Net of CT
🇨🇳Org handle: A914EAE4
ASN for TIANJIN Provincial Net of CT
APNICallocated
Announced Prefixes (BGP)
549total
530 IPv419 IPv6
IPv4 Addresses
Allocated (RIR)539,648
Announced (BGP)1.2M
IPv6 Addresses
Allocated (RIR)0
Announced (BGP)5.5×10²⁹
Prefix Limit (IPv4)
2,000
Prefix Limit (IPv6)
100
Country
🇨🇳 CNRIR
APNICStatus
allocated
Allocated
2002-11-18
Announced Prefixes
(BGP)549|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 | |
| Valid | Other IRR | 2026-10-11 |
1-10 of 549
1 / 55
Allocated Prefixes
(RIR)18Prefix | Country | RIR | Status |
|---|---|---|---|
| 42.80.0.0/15 | 🇨🇳 CN | APNIC | allocated |
| 42.122.0.0/16 | 🇨🇳 CN | APNIC | allocated |
| 106.47.0.0/16 | 🇨🇳 CN | APNIC | assigned |
| 123.150.0.0/15 | 🇨🇳 CN | APNIC | allocated |
| 123.150.4.0/24 | 🇨🇳 CN | APNIC | assigned |
| 123.150.7.0/24 | 🇨🇳 CN | APNIC | assigned |
| 123.150.12.0/22 | 🇨🇳 CN | APNIC | assigned |
| 123.150.16.0/20 | 🇨🇳 CN | APNIC | assigned |
| 123.151.21.0/24 | 🇨🇳 CN | APNIC | assigned |
| 123.151.128.0/21 | 🇨🇳 CN | APNIC | assigned |
1-10 of 18
1 / 2
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 AS17638 should publish an ASPA object
- IPv4 transfers in the APNIC 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/17638Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/17638" | jq