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Autonomous System

AS18233

Philippine Telegraph and Telephone Corporation,

Announced IPs
10,240
CIDR prefixes
5
ASN
AS18233

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

70/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Geographic scope Not Disclosed
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS18233:AS-PTT

Present at 3 internet exchanges: GetaFIX Manila: Main, PhOpenIX-Manila, GIX

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18233 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
203.160.160.0/19 94,344 2026-09-13 03:45:58
45.199.177.0/24 92,270 2026-09-13 03:32:48
45.200.6.0/24 90,916 2026-09-13 03:32:48
203.160.166.0/24 90,308 2026-09-13 03:32:48
203.160.183.0/24 90,277 2026-09-13 03:32:48
203.160.172.0/24 90,251 2026-09-13 03:32:48
45.200.7.0/24 90,150 2026-09-13 03:32:48
203.160.191.0/24 90,146 2026-09-13 03:32:48
203.160.186.0/24 90,061 2026-09-13 03:32:48
203.160.165.0/24 90,042 2026-09-13 03:32:48
203.160.187.0/24 90,034 2026-09-13 03:32:48
203.160.189.0/24 89,987 2026-09-13 03:32:48
203.160.169.0/24 89,977 2026-09-13 03:32:48
203.160.179.0/24 89,940 2026-09-13 03:32:48
203.160.177.0/24 89,926 2026-09-13 03:32:48
203.160.162.0/24 89,922 2026-09-13 03:32:48
203.160.178.0/24 89,696 2026-09-13 03:32:48
203.160.190.0/24 87,395 2026-09-13 03:32:48
203.160.184.0/24 87,373 2026-09-13 03:32:48
203.160.176.0/24 87,319 2026-09-13 03:32:48
203.160.188.0/24 87,302 2026-09-13 03:32:48
203.160.171.0/24 87,294 2026-09-13 03:32:48
203.160.175.0/24 87,289 2026-09-13 03:32:48
203.160.181.0/24 87,279 2026-09-13 03:32:48
203.160.180.0/24 87,268 2026-09-13 03:32:48
203.160.161.0/24 87,228 2026-09-13 03:32:48
203.160.167.0/24 87,190 2026-09-13 03:32:48
154.197.59.0/24 87,069 2026-09-13 03:32:48
45.195.28.0/22 86,989 2026-09-13 03:32:48
45.200.6.0/23 79,376 2026-09-13 03:32:48
45.195.31.0/24 78,102 2026-09-13 03:32:48
45.195.29.0/24 78,075 2026-09-13 03:32:48
45.195.30.0/24 78,007 2026-09-13 03:32:48
203.160.170.0/24 2,712 2026-09-12 22:50:00
45.195.28.0/24 2,534 2026-09-12 21:49:45
154.18.167.0/24 3 2026-06-23 05:33:00
203.160.174.0/24 3 2026-06-23 05:32:51
203.160.173.0/24 3 2026-06-23 05:32:51
203.160.182.0/24 3 2026-06-23 05:32:51
203.160.160.0/24 3 2026-06-23 05:32:51
203.160.168.0/24 3 2026-06-23 05:32:51
154.18.165.0/24 3 2026-06-23 05:33:00

Frequently Asked Questions

What is AS18233?

AS18233 is an Autonomous System Number assigned to Philippine Telegraph and Telephone Corporation,. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS18233 announce?

AS18233 announces 10.2K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Philippines.

Who operates AS18233?

AS18233 is operated by Philippine Telegraph and Telephone Corporation. The organization is based in Philippines. You can view all IP ranges and related ASNs on the organization page.

What country is AS18233 registered in?

AS18233 is registered in Philippines. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-13 03:55:57 UTC
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