$ query “AS4651” --type=asn → 1 result(s)
AS4651 — NTPCL-AS-AP
National Telecom Public Company Limited
AS4651 is a mid-size transit provider operated by National Telecom Public Company Limited, registered in Thailand. The network announces 9 216 IPv4 addresses. Supports IPv6.
- Top 5% — Top 5% of all autonomous systems by reach and degree
- #7 in Thailand — Top 10 by reach within country
Basic Information
- Country
- 🇹🇭 Thailand
- Category
- Internet Service Provider
- Network Role
- Mid-size Transit
- Data Origin
- Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
- Last Changed
- March 04, 2026
- Last Seen
- March 04, 2026
Prefix Summary
- IPv4 Prefixes (raw / aggregated)
- 34 / 26
- IPv6 Prefixes (raw / aggregated)
- 1 / 1
- IPv4 Addresses
- 9 216
- Largest IPv4 Prefix
- /22 (1 024 addresses)
- Largest IPv6 Prefix
- /48
- Geolocated Countries
- 🇹🇭 TH (25 IPs), 🇺🇸 US (4 IPs), 🇬🇧 GB (2 IPs), 🇳🇱 NL
- Prefix Changed
- March 04, 2026
Reputation
- Reputation
- Pristine — 0 flagged IPs out of 9 216 total (0.00%)
Connectivity Summary
- Upstream Providers
- 10 upstream autonomous systems providing transit
- Peers
- 279 autonomous systems exchanging traffic without transit fees
- Downstream Customers
- 38 downstream autonomous systems buying transit
- Degree
- 328 unique BGP neighbors (providers + customers + peers)
- Reach
- 5 153 — customer cone size measuring network influence
- Degree Rank
- #393
- Reach Rank
- #534
- Country Rank
- #7
Upstream Providers (10)
- AS6939 — HURRICANE
- AS174 — COGENT-174 (Tier-1 transit)
- AS1299 — TWELVE99 (Tier-1 transit)
- AS2914 — NTT-DATA-2914 (Tier-1 transit)
- AS3491 — CONSOLE-CONNECT-ASN (Tier-1 transit)
- AS4637 — ASN-TELSTRA-GLOBAL
- AS6453 — AS6453 (Tier-1 transit)
- AS4766 — KIXS-AS
- AS5511 — OPENTRANSIT (Tier-1 transit)
- AS1273 — CW
Prefix Lists
IPv4 Prefixes (34 total)
- 122.155.224.0/22 (1 024 addresses)
- 122.155.244.0/22 (1 024 addresses)
- 61.19.0.0/23 (512 addresses)
- 93.188.128.0/23 (512 addresses)
- 122.155.236.0/23 (512 addresses)
- 163.171.120.0/23 (512 addresses)
- 61.19.2.0/24 (256 addresses)
- 61.19.4.0/24 (256 addresses)
- 61.19.7.0/24 (256 addresses)
- 61.19.9.0/24 (256 addresses)
- 61.19.14.0/24 (256 addresses)
- 66.114.56.0/24 (256 addresses)
- 122.155.229.0/24 (256 addresses)
- 122.155.230.0/24 (256 addresses)
- 122.155.232.0/24 (256 addresses)
- 122.155.235.0/24 (256 addresses)
- 122.155.238.0/24 (256 addresses)
- 122.155.243.0/24 (256 addresses)
- 148.253.59.0/24 (256 addresses)
- 163.171.105.0/24 (256 addresses)
- 163.171.106.0/24 (256 addresses)
- 163.171.108.0/24 (256 addresses)
- 174.35.3.0/24 (256 addresses)
- 174.35.53.0/24 (256 addresses)
- 185.27.231.0/24 (256 addresses)
- 202.47.253.0/24 (256 addresses)
IPv6 Prefixes (1 total)
- 2001:c38:5000::/48