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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 v1.2.0 — 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

CIDRIPsPTR DensityOrganizationCountryStateCity
71.19.224.0/21 2.0K
77.1%
Bird Hosting Inc. US
192.64.72.0/21 2.0K
52.3%
Bird Hosting Inc. US
71.19.232.0/22 1.0K
77.1%
Bird Hosting Inc. US
204.11.16.0/22 1.0K
96.3%
Bird Hosting Inc. US
204.11.100.0/22 1.0K
96.6%
Bird Hosting Inc. US
208.65.200.0/22 1.0K
66.0%
Bird Hosting Inc. US
208.89.132.0/22 1.0K
6.4%
Bird Hosting Inc. US
208.93.20.0/22 1.0K
1.7%
Bird Hosting Inc. US
71.19.236.0/23 512
79.1%
Bird Hosting Inc. US
173.45.128.0/23 512
6.8%
Bird Hosting Inc. US
173.45.136.0/23 512
0.0%
Bird Hosting Inc. US
204.11.96.0/23 512
95.7%
Bird Hosting Inc. US
204.11.102.0/23 512
0.0%
Bird Hosting Inc. US
208.93.18.0/23 512
3.9%
Bird Hosting Inc. US
173.45.138.0/24 256
0.0%
Bird Hosting Inc. US
204.11.98.0/24 256
0.4%
Bird Hosting Inc. US
204.11.101.0/24 256
0.0%
Bird Hosting Inc. US
207.14.35.0/24 256
1.2%
Bird Hosting Inc. US
208.93.17.0/24 256
0.0%
Bird Hosting Inc. US
204.11.100.128/25 128
0.0%
Bird Hosting Inc. NL
204.11.100.64/26 64
0.0%
Bird Hosting Inc. NL
204.11.100.32/27 32
0.0%
Bird Hosting Inc. US
204.11.100.0/28 16
0.0%
Bird Hosting Inc. NL
204.11.100.16/29 8
0.0%
Bird Hosting Inc. NL
204.11.100.28/30 4
0.0%
Bird Hosting Inc. NL
204.11.100.26/31 2
0.0%
Bird Hosting Inc. NL
204.11.100.24 1
0.0%
Bird Hosting Inc. US
204.11.100.25 1
0.0%
Bird Hosting Inc. NL

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 25,180 2026-09-18 09:44:28
204.11.101.0/24 20,987 2026-09-18 09:44:33
204.11.102.0/24 20,862 2026-09-18 09:44:33
204.11.103.0/24 20,847 2026-09-18 09:44:33
208.93.20.0/23 20,569 2026-09-18 09:44:33
204.11.16.0/22 20,512 2026-09-18 09:44:33
71.19.228.0/22 20,449 2026-09-18 09:28:52
207.14.35.0/24 17,599 2026-09-18 09:47:39
204.11.96.0/24 16,577 2026-09-18 09:47:39
192.64.72.0/22 16,519 2026-09-18 09:29:09
204.11.97.0/24 16,504 2026-09-18 09:47:39
173.45.136.0/24 16,256 2026-09-18 09:29:09
208.93.18.0/23 16,072 2026-09-18 09:47:39
71.19.224.0/22 15,905 2026-09-18 09:29:09
208.93.17.0/24 15,266 2026-09-18 09:44:33
173.45.128.0/23 14,821 2026-09-18 09:29:09
208.65.200.0/22 14,238 2026-09-18 09:47:39
192.64.76.0/22 14,186 2026-09-18 09:29:12
173.45.138.0/24 14,148 2026-09-18 09:29:12
204.11.98.0/24 14,145 2026-09-18 09:44:34
71.19.232.0/22 14,084 2026-09-18 09:29:03
71.19.236.0/23 14,051 2026-09-18 09:29:03
208.89.132.0/22 14,012 2026-09-18 09:44:31
208.93.22.0/23 14,008 2026-09-18 09:44:32
173.45.137.0/24 13,976 2026-09-18 09:29:12
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: 2026-09-18 09:54:06 UTC
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