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Autonomous System

AS39657

Comeser S.r.l.

Announced IPs
14,336
CIDR prefixes
5
ASN
AS39657

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Network profile

Source: PeeringDB →
Network type Cable/DSL/ISP
Traffic level 10-20Gbps
Geographic scope Regional
Traffic ratio Mostly Inbound
Peering policy Open
IRR record AS39657

Present at 3 internet exchanges: VSIX: Primary, PCIX, MINAP Milan: MINAP

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS39657 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
81.93.44.0/22 48,629 2026-09-09 21:26:57
81.93.32.0/22 48,578 2026-09-09 21:26:57
185.63.14.0/24 48,212 2026-09-09 21:26:57
81.93.40.0/22 46,752 2026-09-09 21:26:57
81.93.32.0/20 34,657 2026-09-10 00:28:49
81.30.16.0/20 34,638 2026-09-10 00:28:49
93.88.32.0/20 34,106 2026-09-10 00:28:49
185.63.12.0/22 32,746 2026-09-10 00:28:49
81.93.40.0/21 32,124 2026-09-10 00:28:49
81.93.32.0/21 32,121 2026-09-10 00:28:49
217.30.0.0/22 31,160 2026-09-10 00:28:49
217.30.3.0/24 19,690 2026-09-10 00:28:49
217.30.2.0/24 19,672 2026-09-10 00:28:49
217.30.0.0/23 19,651 2026-09-10 00:28:49
81.93.36.0/22 1,209 2026-09-08 10:24:59
93.88.40.0/22 307 2026-09-08 10:24:59
93.88.44.0/22 307 2026-09-08 10:24:59
93.88.36.0/22 307 2026-09-08 10:24:59
93.88.32.0/22 304 2026-09-08 10:24:59

Frequently Asked Questions

What is AS39657?

AS39657 is an Autonomous System Number assigned to Comeser S.r.l.. 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 AS39657 announce?

AS39657 announces 14.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Italy.

Who operates AS39657?

AS39657 is operated by Comeser S.r.l.. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.

What country is AS39657 registered in?

AS39657 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-09-10 00:39:05 UTC
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