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Autonomous System

AS18671

PRTC

Announced IPs
11,264
CIDR prefixes
14
ASN
AS18671

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.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Geographic scope Not Disclosed
Traffic ratio Not Disclosed

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS18671 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
152.44.65.0/24 32,194 2026-10-12 18:35:45
165.166.174.0/23 30,694 2026-10-12 18:35:45
207.144.21.0/24 27,273 2026-10-12 18:36:07
66.180.236.0/24 27,209 2026-10-12 18:36:07
66.180.237.0/24 27,209 2026-10-12 18:36:07
66.180.235.0/24 27,143 2026-10-12 18:36:07
66.180.229.0/24 26,339 2026-10-12 18:35:45
207.144.216.0/23 24,566 2026-10-12 18:35:45
66.180.233.0/24 23,061 2026-10-12 18:40:21
66.180.231.0/24 23,015 2026-10-12 18:40:21
66.180.234.0/24 22,959 2026-10-12 18:40:21
66.180.225.0/24 22,878 2026-10-12 18:40:21
207.144.20.0/24 21,638 2026-10-12 18:35:19
204.116.94.0/24 18,241 2026-10-12 18:41:46
66.180.232.0/24 15,774 2026-10-12 18:40:26
152.44.64.0/24 15,705 2026-10-12 18:40:59
64.53.59.0/24 15,607 2026-10-12 18:36:07
206.74.48.0/23 15,475 2026-10-12 18:36:07
206.74.83.0/24 15,474 2026-10-12 18:36:07
66.180.228.0/24 15,264 2026-10-12 18:59:17
66.180.227.0/24 15,133 2026-10-12 18:40:28
66.180.224.0/20 15,128 2026-10-12 18:40:28
152.44.70.0/24 15,008 2026-10-12 18:41:51
152.44.69.0/24 15,002 2026-10-12 18:41:51
152.44.68.0/24 14,998 2026-10-12 18:41:51
152.44.71.0/24 14,984 2026-10-12 18:41:51
152.44.67.0/24 14,984 2026-10-12 18:41:51
152.44.66.0/24 14,973 2026-10-12 18:41:51
206.74.47.0/24 14,799 2026-10-12 18:35:19
206.74.39.0/24 14,764 2026-10-12 18:35:19
204.116.240.0/24 14,583 2026-10-12 18:41:48
204.116.240.0/22 14,335 2026-10-12 18:41:46
207.144.20.0/23 14,170 2026-10-12 18:41:46
207.144.139.0/24 12,695 2026-10-12 18:36:33
207.144.50.0/23 12,568 2026-10-12 18:36:33

Frequently Asked Questions

What is AS18671?

AS18671 is an Autonomous System Number assigned to PRTC. 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 AS18671 announce?

AS18671 announces 11.3K IPv4 addresses distributed across 14 routed CIDR prefixes. The network is registered in United States.

Who operates AS18671?

AS18671 is operated by PRTC. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS18671 registered in?

AS18671 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-12 19:09:06 UTC
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