Autonomous System

AS16591

Google Fiber Inc.

Google Fiber Inc. United States 🌐 gfiber.com

Announced IPs

2,244,396

CIDR prefixes

2,238

ASN

AS16591

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

Baseline (neutral) 65
Isp allocation +5
Trust score 70 / 100

Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

About Google Fiber

gFiber, formerly Google Fiber, is a fiber broadband Internet service operated by Alphabet Inc. servicing a growing number of households in cities in 19 states across the United States.

Founded

2010

Parent

Alphabet Inc.

Official website ↗ Summary from Wikipedia, CC BY-SA 4.0 · Data from Wikidata

Network profile

Source: PeeringDB →

Network type Cable/DSL/ISP

Geographic scope North America

Traffic ratio Mostly Inbound

Peering policy Open

IRR record AS-GOOGLE-FIBER

Present at 19 internet exchanges: Equinix San Jose, Equinix Chicago, Equinix Dallas, Equinix Ashburn, NYIIX New York, KCIX, Digital Realty Atlanta, NashIX, DE-CIX New York: DE-CIX New York Peering LAN, Digital Realty Ashburn: Main, …

Website ↗

Web3 footprint

AS16591 hosts 74 observed decentralized-network nodes across 3 networks. It’s a neutral signal — it does not affect the reputation score. See the full web3 node map.

Ξ Ethereum 42 GNO Gnosis 28 IPFS IPFS 4

Top CIDR ranges

CIDR	IPs	PTR Density	Organization	Country	State	City
136.32.0.0/11	2.10M	99.3%	Google Fiber Inc.	US	Arizona	Mesa
136.40.0.0/13	524.3K	99.3%	Google Fiber Inc.	US	Idaho	Pocatello
136.32.0.0/14	262.1K	99.3%	Google Fiber Inc.	US	Missouri	Kansas City
136.54.0.0/15	131.1K	99.4%	Google Fiber Inc.	US	North Carolina	Raleigh
136.56.0.0/15	131.1K	99.3%	Google Fiber Inc.	US	North Carolina	Cary
136.37.0.0/16	65.5K	99.3%	Google Fiber Inc.	US	Missouri	Kansas City
136.39.0.0/16	65.5K	99.3%	Google Fiber Inc.	US	Missouri	Kansas City
136.53.0.0/16	65.5K	99.4%	Google Fiber Inc.	US	Alabama	Huntsville
136.61.0.0/16	65.5K	99.3%	Google Fiber Inc.	US	Kansas	Olathe
136.63.0.0/16	65.5K	99.3%	Google Fiber Inc.	US	Arizona	Mesa
23.255.128.0/17	32.8K	99.3%	Google Fiber Inc.	US	District of Columbia	Washington
99.198.128.0/17	32.8K	99.2%	Google Fiber Inc.	US	Missouri	Grandview
107.188.128.0/17	32.8K	52.7%	Google Fiber Inc.	US	Utah	Salt Lake City
136.48.128.0/17	32.8K	99.3%	Google Fiber Inc.	US	—	—
136.51.128.0/17	32.8K	99.4%	Google Fiber Inc.	US	—	—
23.228.128.0/18	16.4K	98.0%	Google Fiber Inc.	US	Missouri	Kansas City
45.56.0.0/18	16.4K	99.3%	Google Fiber Inc.	US	—	—
136.52.192.0/18	16.4K	99.3%	Google Fiber Inc.	US	California	Irvine
136.58.192.0/18	16.4K	99.3%	Google Fiber Inc.	US	Tennessee	Nashville
136.59.64.0/18	16.4K	99.4%	Google Fiber Inc.	US	Utah	Salt Lake City
136.59.192.0/18	16.4K	99.3%	Google Fiber Inc.	US	Utah	Salt Lake City
136.36.192.0/19	8.2K	99.3%	Google Fiber Inc.	US	Utah	Provo
136.38.224.0/19	8.2K	99.3%	Google Fiber Inc.	US	Utah	Salt Lake City
136.48.32.0/19	8.2K	99.4%	Google Fiber Inc.	US	Iowa	West Des Moines
136.48.64.0/19	8.2K	99.3%	Google Fiber Inc.	US	Iowa	West Des Moines
136.49.224.0/19	8.2K	99.3%	Google Fiber Inc.	US	Texas	Austin
136.51.96.0/19	8.2K	99.1%	Google Fiber Inc.	US	Texas	San Antonio
136.58.96.0/19	8.2K	99.3%	Google Fiber Inc.	US	Tennessee	Nashville
136.58.160.0/19	8.2K	99.3%	Google Fiber Inc.	US	Tennessee	Nashville
136.59.32.0/19	8.2K	99.4%	Google Fiber Inc.	US	Utah	Logan
136.59.160.0/19	8.2K	99.4%	Google Fiber Inc.	US	Utah	West Jordan
136.60.160.0/19	8.2K	99.3%	Google Fiber Inc.	US	Georgia	Atlanta
192.200.224.0/19	8.2K	98.3%	Google Fiber Inc.	US	Georgia	Atlanta
136.36.16.0/20	4.1K	99.4%	Google Fiber Inc.	US	Utah	Provo
136.36.64.0/20	4.1K	99.4%	Google Fiber Inc.	US	Utah	Draper
136.36.176.0/20	4.1K	99.4%	Google Fiber Inc.	US	Utah	Provo
136.38.80.0/20	4.1K	99.5%	Google Fiber Inc.	US	Utah	Sandy
136.38.96.0/20	4.1K	99.3%	Google Fiber Inc.	US	Utah	Salt Lake City
136.38.176.0/20	4.1K	99.2%	Google Fiber Inc.	US	Utah	Provo
136.48.16.0/20	4.1K	99.3%	Google Fiber Inc.	US	Iowa	West Des Moines
136.48.112.0/20	4.1K	99.1%	Google Fiber Inc.	US	Iowa	West Des Moines
136.50.80.0/20	4.1K	99.3%	Google Fiber Inc.	US	Texas	San Antonio
136.51.0.0/20	4.1K	99.3%	Google Fiber Inc.	US	Texas	San Antonio
136.52.48.0/20	4.1K	99.1%	Google Fiber Inc.	US	California	Irvine
136.52.144.0/20	4.1K	99.3%	Google Fiber Inc.	US	California	Irvine
136.52.176.0/20	4.1K	99.3%	Google Fiber Inc.	US	California	Irvine
136.58.144.0/20	4.1K	99.4%	Google Fiber Inc.	US	Tennessee	Nashville
136.59.16.0/20	4.1K	99.1%	Google Fiber Inc.	US	Utah	Logan
136.60.112.0/20	4.1K	99.2%	Google Fiber Inc.	US	Texas	Austin
136.60.128.0/20	4.1K	99.1%	Google Fiber Inc.	US	Utah	Salt Lake City
136.62.16.0/20	4.1K	99.1%	Google Fiber Inc.	US	Texas	Austin
136.62.176.0/20	4.1K	99.3%	Google Fiber Inc.	US	Texas	Austin
136.62.224.0/20	4.1K	99.3%	Google Fiber Inc.	US	Texas	Austin
192.119.16.0/20	4.1K	84.1%	Google Fiber Inc.	US	Kansas	Kansas City
216.21.160.0/20	4.1K	97.3%	Google Fiber Inc.	US	Utah	Salt Lake City
136.36.0.0/21	2.0K	99.4%	Google Fiber Inc.	US	Utah	Springville
136.36.56.0/21	2.0K	99.4%	Google Fiber Inc.	US	Utah	Provo
136.36.96.0/21	2.0K	99.3%	Google Fiber Inc.	US	Utah	Provo
136.36.112.0/21	2.0K	99.1%	Google Fiber Inc.	US	Utah	Salt Lake City
136.36.152.0/21	2.0K	99.2%	Google Fiber Inc.	US	Utah	Salt Lake City
136.36.168.0/21	2.0K	99.4%	Google Fiber Inc.	US	Utah	Provo
136.36.224.0/21	2.0K	99.3%	Google Fiber Inc.	US	Utah	Salt Lake City
136.38.0.0/21	2.0K	99.1%	Google Fiber Inc.	US	Utah	Sandy
136.38.112.0/21	2.0K	99.4%	Google Fiber Inc.	US	Utah	Sandy
136.38.144.0/21	2.0K	99.3%	Google Fiber Inc.	US	Utah	Salt Lake City
136.38.216.0/21	2.0K	99.2%	Google Fiber Inc.	US	Utah	Salt Lake City
136.48.104.0/21	2.0K	99.3%	Google Fiber Inc.	US	Iowa	Des Moines
136.49.8.0/21	2.0K	98.9%	Google Fiber Inc.	US	Texas	Austin
136.49.80.0/21	2.0K	99.4%	Google Fiber Inc.	US	Texas	Austin
136.49.136.0/21	2.0K	99.1%	Google Fiber Inc.	US	Texas	Austin
136.49.160.0/21	2.0K	99.4%	Google Fiber Inc.	US	Texas	Austin
136.49.184.0/21	2.0K	99.2%	Google Fiber Inc.	US	Texas	Austin
136.49.200.0/21	2.0K	99.2%	Google Fiber Inc.	US	Texas	Austin
136.50.8.0/21	2.0K	99.3%	Google Fiber Inc.	US	Texas	San Antonio
136.50.120.0/21	2.0K	99.4%	Google Fiber Inc.	US	Texas	San Antonio
136.50.136.0/21	2.0K	99.5%	Google Fiber Inc.	US	Texas	San Antonio
136.50.152.0/21	2.0K	99.1%	Google Fiber Inc.	US	Texas	San Antonio
136.50.168.0/21	2.0K	99.5%	Google Fiber Inc.	US	Texas	San Antonio
136.50.192.0/21	2.0K	99.6%	Google Fiber Inc.	US	Texas	San Antonio
136.50.232.0/21	2.0K	99.4%	Google Fiber Inc.	US	Texas	San Antonio
136.51.16.0/21	2.0K	99.3%	Google Fiber Inc.	US	Texas	San Antonio
136.51.32.0/21	2.0K	99.7%	Google Fiber Inc.	US	Texas	San Antonio
136.51.48.0/21	2.0K	99.3%	Google Fiber Inc.	US	Texas	San Antonio
136.51.88.0/21	2.0K	99.3%	Google Fiber Inc.	US	Texas	San Antonio
136.52.0.0/21	2.0K	99.7%	Google Fiber Inc.	US	California	Irvine
136.52.16.0/21	2.0K	99.2%	Google Fiber Inc.	US	California	Irvine
136.52.32.0/21	2.0K	99.3%	Google Fiber Inc.	US	California	Irvine
136.52.88.0/21	2.0K	99.6%	Google Fiber Inc.	US	California	Irvine
136.52.96.0/21	2.0K	99.5%	Google Fiber Inc.	US	California	Irvine
136.52.128.0/21	2.0K	99.2%	Google Fiber Inc.	US	California	Irvine
136.52.168.0/21	2.0K	99.3%	Google Fiber Inc.	US	California	Irvine
136.58.0.0/21	2.0K	99.6%	Google Fiber Inc.	US	Tennessee	Nashville
136.58.16.0/21	2.0K	99.4%	Google Fiber Inc.	US	Tennessee	Nashville
136.58.40.0/21	2.0K	99.3%	Google Fiber Inc.	US	Tennessee	Nashville
136.58.64.0/21	2.0K	99.3%	Google Fiber Inc.	US	Tennessee	Nashville
136.59.8.0/21	2.0K	99.6%	Google Fiber Inc.	US	Utah	Logan
136.59.152.0/21	2.0K	99.4%	Google Fiber Inc.	US	Utah	Salt Lake City
136.60.0.0/21	2.0K	99.4%	Google Fiber Inc.	US	Texas	Austin
136.60.56.0/21	2.0K	99.2%	Google Fiber Inc.	US	Texas	Austin
136.60.104.0/21	2.0K	99.7%	Google Fiber Inc.	US	Texas	Austin

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS16591 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

Prefix	Announcement samples	Last seen
136.32.32.0/20	21,168	2026-10-17 09:04:39
136.34.48.0/20	20,973	2026-10-17 09:04:42
136.32.16.0/20	20,947	2026-10-17 09:04:45
136.32.64.0/20	20,881	2026-10-17 09:04:40
136.34.160.0/20	20,864	2026-10-17 09:04:42
136.34.128.0/20	20,864	2026-10-17 09:04:40
136.32.192.0/20	20,864	2026-10-17 09:04:42
136.32.96.0/20	20,858	2026-10-17 09:04:44
136.32.128.0/20	20,855	2026-10-17 09:04:43
136.32.0.0/20	20,841	2026-10-17 09:04:41
136.34.80.0/20	20,835	2026-10-17 09:04:43
136.32.160.0/20	20,827	2026-10-17 09:04:44
136.32.48.0/20	20,820	2026-10-17 09:04:45
136.34.224.0/20	20,793	2026-10-17 09:04:39
136.35.96.0/20	20,740	2026-10-17 09:04:44
136.34.192.0/20	20,740	2026-10-17 09:04:39
136.32.80.0/20	20,735	2026-10-17 09:04:46
136.35.0.0/20	20,700	2026-10-17 09:04:40
136.33.176.0/20	20,698	2026-10-17 09:04:40
136.34.16.0/20	20,643	2026-10-17 09:04:42
136.33.240.0/20	20,617	2026-10-17 09:04:44
136.35.32.0/20	20,617	2026-10-17 09:04:44
136.34.208.0/20	20,615	2026-10-17 09:04:45
136.33.208.0/20	20,612	2026-10-17 09:04:44
136.32.224.0/20	20,609	2026-10-17 09:04:43
136.35.64.0/20	20,591	2026-10-17 09:04:45
136.34.240.0/20	20,453	2026-10-17 09:04:46
136.33.160.0/20	20,450	2026-10-17 09:04:46
136.34.112.0/20	20,331	2026-10-17 09:04:47
136.34.176.0/20	20,280	2026-10-17 09:04:47
136.62.240.0/20	20,274	2026-10-17 09:04:39
136.49.144.0/20	20,271	2026-10-17 09:04:39
136.50.224.0/20	20,267	2026-10-17 09:04:39
136.33.64.0/20	20,234	2026-10-17 09:04:48
136.32.112.0/20	20,233	2026-10-17 09:04:50
136.50.128.0/20	20,214	2026-10-17 09:04:41
136.32.176.0/20	20,206	2026-10-17 09:04:50
136.49.80.0/20	20,194	2026-10-17 09:04:42
136.34.64.0/20	20,186	2026-10-17 09:04:49
136.32.144.0/20	20,184	2026-10-17 09:04:51
136.32.208.0/20	20,182	2026-10-17 09:04:48
136.34.144.0/20	20,182	2026-10-17 09:04:48
136.49.112.0/20	20,158	2026-10-17 09:04:40
136.49.176.0/20	20,143	2026-10-17 09:04:40
136.34.32.0/20	20,141	2026-10-17 09:04:48
136.35.112.0/20	20,138	2026-10-17 09:04:48
136.34.96.0/20	20,121	2026-10-17 09:04:49
136.49.48.0/20	20,095	2026-10-17 09:04:41
136.50.160.0/20	20,094	2026-10-17 09:04:42
136.62.176.0/20	20,093	2026-10-17 09:04:42

Showing top 50 of 348 announced prefixes by sample volume.

Frequently Asked Questions

What is AS16591?

AS16591 is an Autonomous System Number assigned to Google Fiber 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 AS16591 announce?

AS16591 announces 2.24M IPv4 addresses distributed across 2,238 routed CIDR prefixes. The network is registered in United States.

Who operates AS16591?

AS16591 is operated by Google Fiber Inc.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS16591 registered in?

AS16591 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: 2026-10-17 09:09:04 UTC