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Autonomous System

AS19133

Bird Hosting Inc.

Announced IPs
13,824
CIDR prefixes
17
ASN
AS19133

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 →
Network type NSP
Traffic level 50-100Gbps
Geographic scope Global
Traffic ratio Mostly Outbound
Peering policy Open
IRR record AS19133

Present at 2 internet exchanges: SIX Seattle: MTU 1500, SIX Seattle (Jumbo): MTU 9000

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS19133 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
204.11.100.0/24 29,266 2026-10-16 20:56:35
204.11.101.0/24 25,906 2026-10-16 20:07:53
204.11.102.0/24 25,713 2026-10-16 20:07:53
204.11.103.0/24 25,676 2026-10-16 20:07:53
208.93.20.0/23 25,305 2026-10-16 20:07:53
204.11.16.0/22 25,212 2026-10-16 19:27:20
71.19.228.0/22 25,148 2026-10-16 19:27:20
207.14.35.0/24 21,132 2026-10-16 20:56:35
204.11.96.0/24 20,377 2026-10-16 20:56:35
192.64.72.0/22 20,290 2026-10-16 20:56:35
204.11.97.0/24 20,285 2026-10-16 20:56:35
173.45.136.0/24 19,786 2026-10-16 20:56:35
208.93.18.0/23 19,654 2026-10-16 20:56:35
71.19.224.0/22 19,519 2026-10-16 20:56:35
208.93.17.0/24 18,413 2026-10-16 20:56:35
208.65.200.0/22 17,579 2026-10-16 20:56:35
173.45.128.0/23 17,547 2026-10-16 18:30:20
192.64.76.0/22 17,501 2026-10-16 20:56:35
173.45.138.0/24 17,459 2026-10-16 20:56:35
204.11.98.0/24 17,444 2026-10-16 20:56:35
71.19.232.0/22 17,417 2026-10-16 20:56:35
71.19.236.0/23 17,381 2026-10-16 20:56:35
173.45.137.0/24 17,328 2026-10-16 20:56:35
208.93.22.0/23 17,292 2026-10-16 20:56:35
208.89.132.0/22 17,280 2026-10-16 20:56:35
173.45.156.0/24 1,478 2026-06-11 18:21:41
173.45.157.0/24 305 2026-08-18 14:37:22
206.53.165.0/24 142 2026-08-05 09:32:13
207.14.33.0/24 142 2026-08-05 09:32:13
207.14.32.0/24 142 2026-08-05 09:32:13

Frequently Asked Questions

What is AS19133?

AS19133 is an Autonomous System Number assigned to Bird Hosting 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 AS19133 announce?

AS19133 announces 13.8K IPv4 addresses distributed across 17 routed CIDR prefixes. The network is registered in United States.

Who operates AS19133?

AS19133 is operated by Bird Hosting Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS19133 registered in?

AS19133 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: 2026-10-16 21:24:05 UTC
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