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Autonomous System

AS53488

Optimum Online

Announced IPs
69,376
CIDR prefixes
10
ASN
AS53488

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

AS53488 — global IP footprint

Cities where AS53488 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 AS53488 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
24.246.176.0/22 29,380 2026-07-21 21:36:31
24.246.140.0/22 29,380 2026-07-21 21:36:31
24.246.136.0/22 29,354 2026-07-21 21:36:31
24.246.180.0/22 29,329 2026-07-21 21:36:31
24.246.184.0/22 29,217 2026-07-21 21:36:24
24.246.129.0/24 29,212 2026-07-21 21:36:24
24.246.188.0/23 29,163 2026-07-21 21:36:24
216.116.255.0/24 23,710 2026-07-21 21:36:24
216.116.243.0/24 23,553 2026-07-21 21:36:31
216.116.254.0/24 23,473 2026-07-21 21:36:24
64.127.215.0/24 23,440 2026-07-21 21:36:31
64.127.208.0/24 23,394 2026-07-21 21:36:24
64.127.210.0/24 23,249 2026-07-21 21:36:31
64.127.209.0/24 23,065 2026-07-21 21:36:31
173.246.212.0/23 23,060 2026-07-21 21:36:31
64.127.212.0/24 23,045 2026-07-21 21:36:31
173.246.208.0/22 22,930 2026-07-21 21:36:31
173.246.214.0/23 22,907 2026-07-21 21:36:31
64.127.219.0/24 22,843 2026-07-21 21:36:31
64.127.211.0/24 22,825 2026-07-21 21:36:31
173.246.216.0/24 22,805 2026-07-21 21:36:24
216.116.253.0/24 22,735 2026-07-21 21:36:31
173.246.217.0/24 22,685 2026-07-21 21:36:24
173.246.204.0/22 22,597 2026-07-21 21:36:31
173.246.200.0/22 22,592 2026-07-21 21:36:31
64.127.222.0/24 22,488 2026-07-21 21:36:31
64.127.218.0/24 22,372 2026-07-21 21:36:31
64.127.223.0/24 22,283 2026-07-21 21:36:31
64.127.216.0/24 22,212 2026-07-21 21:36:31
64.127.217.0/24 22,189 2026-07-21 21:36:31
216.116.249.0/24 22,059 2026-07-21 21:36:31
216.116.244.0/24 21,913 2026-07-21 21:36:31
216.116.224.0/21 21,874 2026-07-21 21:36:24
216.116.246.0/23 21,873 2026-07-21 21:36:31
216.116.245.0/24 21,846 2026-07-21 21:36:31
216.116.252.0/24 21,845 2026-07-21 21:36:31
216.116.250.0/24 21,794 2026-07-21 21:36:31
216.116.240.0/23 21,786 2026-07-21 21:36:31
216.116.251.0/24 21,625 2026-07-21 21:36:31
173.246.223.0/24 21,560 2026-07-21 21:36:24
216.116.242.0/24 21,529 2026-07-21 21:36:31
216.116.232.0/21 21,521 2026-07-21 21:36:21
216.116.248.0/24 21,482 2026-07-21 21:36:31
63.143.128.0/20 5,931 2026-07-21 22:11:18
24.246.156.0/23 5,878 2026-07-21 22:11:18
24.246.190.0/24 5,847 2026-07-21 22:11:18
24.246.148.0/24 5,846 2026-07-21 22:11:18
24.246.149.0/24 5,845 2026-07-21 22:11:18
24.246.159.0/24 5,842 2026-07-21 22:11:18
63.143.144.0/22 5,840 2026-07-21 22:11:18

Showing top 50 of 83 announced prefixes by sample volume.

Frequently Asked Questions

What is AS53488?

AS53488 is an Autonomous System Number assigned to Optimum Online. 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 AS53488 announce?

AS53488 announces 69.4K IPv4 addresses distributed across 10 routed CIDR prefixes. The network is registered in United States.

Who operates AS53488?

AS53488 is operated by Optimum Online. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS53488 registered in?

AS53488 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: 2026-07-21 22:25:31 UTC
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