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Autonomous System

AS399353

Netafy, Inc.

Announced IPs
6,656
CIDR prefixes
12
ASN
AS399353

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.

53/100
Caution
How this score is built

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

⚠ 3 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS399353 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
38.147.222.0/24 AS174, AS399353 2026-09-10 20:55:49
38.147.219.0/24 AS54004, AS399353 2026-09-10 20:55:49
38.147.223.0/24 AS174, AS399353 2026-09-10 20:55:49

AS399353 — global IP footprint

Cities where AS399353 has measurable IPv4 allocation. Click any dot to open that city's page. Size and color scale with IP count.

View on 3D globe →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS399353 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
199.21.100.0/22 26,994 2026-09-10 20:21:39
199.21.102.0/24 26,958 2026-09-10 20:47:57
199.21.103.0/24 26,928 2026-09-10 20:21:39
38.147.217.0/24 25,416 2026-07-21 14:23:57
23.246.180.0/22 15,744 2026-09-10 20:21:39
38.147.223.0/24 11,121 2026-09-10 20:06:32
38.147.197.0/24 11,062 2026-07-21 18:17:57
38.147.210.0/24 10,992 2026-07-21 18:17:57
38.147.216.0/24 10,988 2026-07-21 18:17:57
38.147.209.0/24 10,987 2026-07-21 18:17:57
38.147.212.0/24 10,982 2026-07-21 18:17:57
38.147.203.0/24 10,978 2026-07-21 18:17:57
38.147.192.0/19 10,756 2026-07-21 18:33:04
38.147.198.0/24 9,624 2026-07-21 14:23:57
38.147.207.0/24 9,576 2026-07-21 14:23:57
38.147.222.0/24 7,496 2026-09-10 20:06:32
38.147.219.0/24 601 2026-07-21 10:46:10
38.134.185.0/24 260 2026-06-17 19:02:11

Frequently Asked Questions

What is AS399353?

AS399353 is an Autonomous System Number assigned to Netafy, Inc.. 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 AS399353 announce?

AS399353 announces 6.7K IPv4 addresses distributed across 12 routed CIDR prefixes. The network is registered in United States.

Who operates AS399353?

AS399353 is operated by Netafy, Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS399353 registered in?

AS399353 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: 2026-09-10 20:56:06 UTC
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