AS4651 National Telecom Public Company Limited

Thailand NTPCL-AS-AP APNIC 37 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
9,984
IPv6 /48 networks
1
RPKI
30 valid8 no ROA
Peers and downstreams
288

Holder

AS name
NTPCL-AS-AP
Description
National Telecom Public Company Limited
Organisation
National Telecom Public Company Limited
Abuse contact
Not published
Assigned
1995-12-26
Registered
2025-11-19
Record last changed
2025-11-20 00:05 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100
partly Prefixes covered by valid ROAs
30 of 38 announced prefixes are RPKI valid, 8 have no ROA.
20/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.
10/10
pass Announces IPv6
1 IPv6 prefix.
15/15
pass More than one upstream
3 upstreams seen in BGP.
10/10
pass Working abuse contact
pitoon.p@ntplc.co.th is published.
15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.
10/10
pass Registry record maintained
Last changed 2025-11-20.
5/5

Routing changes

Last 30 days
2026-10-04 04:42 UTCNeighbour gone AS263444 upstream
2026-10-04 04:42 UTCNeighbour gone AS205103 upstream
2026-10-04 04:42 UTCNeighbour gone AS52320 peer
2026-10-04 04:42 UTCNeighbour gone AS31027 peer
2026-10-04 04:42 UTCNeighbour gone AS9498 upstream
2026-10-04 04:42 UTCNeighbour gone AS4601 upstream
2026-10-04 04:42 UTCNeighbour gone AS2516 upstream
2026-10-04 04:42 UTCNeighbour gone AS1031 upstream
2026-10-04 04:42 UTCNew neighbour AS8888 peer
2026-10-04 04:42 UTCRelationship changed AS28917 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS264479 peer
2026-10-04 04:42 UTCRelationship changed AS9930 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS9583 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS9304 peer
2026-10-04 04:42 UTCRelationship changed AS9044 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS9002 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8966 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8758 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8708 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8529 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8455 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8359 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8298 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8220 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS8218 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS7713 peer
2026-10-04 04:42 UTCRelationship changed AS7575 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS7195 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS701 peer
2026-10-04 04:42 UTCRelationship changed AS6910 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS6797 peer
2026-10-04 04:42 UTCRelationship changed AS6696 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS6695 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS6663 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS6461 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS6453 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS62275 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS6206 peer
2026-10-04 04:42 UTCRelationship changed AS6204 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS6057 peer
2026-10-04 04:42 UTCRelationship changed AS60171 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS5511 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS5405 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS50673 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS50629 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS50304 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS49434 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS48646 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS48362 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS47692 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS4766 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS47147 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS4637 upstream to downstream
2026-10-04 04:42 UTCRelationship changed AS4635 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS4455 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS43727 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS42708 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS4230 peer
2026-10-04 04:42 UTCRelationship changed AS41327 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS39686 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS39351 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS39249 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS39120 peer
2026-10-04 04:42 UTCRelationship changed AS38040 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS38008 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS37497 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS37468 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS3741 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS37282 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS37100 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS35625 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS35280 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS34927 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS3491 upstream to downstream
2026-10-04 04:42 UTCRelationship changed AS34549 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS34177 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS34019 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS33891 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS3356 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS3303 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS3216 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS30844 peer
2026-10-04 04:42 UTCRelationship changed AS29691 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS29632 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS29208 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS2914 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS29075 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS28716 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS264409 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS25091 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS2497 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS24961 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS24889 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS23764 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS22356 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS212024 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS209090 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS209022 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS20766 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS20764 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS20562 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS20485 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS20326 peer
2026-10-04 04:42 UTCRelationship changed AS1836 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS17676 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS1764 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS17557 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS15958 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS15943 upstream to peer
2026-10-04 04:42 UTCNew neighbour AS15830 peer
2026-10-04 04:42 UTCRelationship changed AS15802 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS14840 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS138997 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS137409 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS13194 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS13030 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS12779 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS1273 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS1267 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS12577 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS12552 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS12389 upstream to peer
2026-10-04 04:42 UTCRelationship changed AS1103 upstream to peer
2026-10-04 04:42 UTCPrefix gone 122.155.228.0/24

WHOIS

aut-num:        AS4651
as-name:        NTPCL-AS-AP
handle:         AS4651
remarks:        National Telecom Public Company Limited
abuse:          IRT-NTPCL-TH (IRT-NTPCL-TH) <pitoon.p@ntplc.co.th>
technical,administrative:NTPC2-AP (National Telecom Public Company Limited administrator) <pitoon.p@ntplc.co.th>
registrant:     ORG-NTPC1-AP (National Telecom Public Company Limited) <pitoon.p@ntplc.co.th>
registration:   2025-11-19T23:59:33Z
last changed:   2025-11-20T00:05:00Z
source:         APNIC (RDAP)