Autonomous System details

AS401851

County of San Diego  ·  ca.gov

United States
    Stub AS Icon Stub AS

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AS401851 – County of San Diego

Field Value
Country United States
Website ca.gov
Hosted domains 0
IPv4 addresses 3,584
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 5 months ago on Jul 21, 2025
Updated 5 months ago on Jul 21, 2025

IP Ranges

Netblock Company Num of IPs
170.213.18.0/23 County of San Diego 512
170.213.22.0/23 County of San Diego 512
170.213.2.0/24 County of San Diego 256
170.213.3.0/24 County of San Diego 256
170.213.4.0/24 County of San Diego 256
170.213.5.0/24 County of San Diego 256
170.213.6.0/24 County of San Diego 256
170.213.7.0/24 County of San Diego 256
170.213.131.0/24 County of San Diego 256
170.213.132.0/24 County of San Diego 256
170.213.133.0/24 County of San Diego 256
209.77.1.0/24 County of San Diego 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS401851
                                                OrgID:          AS401851
                                                ASName:         AS401851
                                                ASNumber:       AS401851
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There is 1 peer for this ASN.

Peers Name
AS7018 AT&T Enterprises, LLC
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS7018 AT&T Enterprises, LLC
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

3 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
170.213.133.98 AS401851 County of San Diego 4.50ms from Los Angeles, US
170.213.132.109 AS401851 County of San Diego 4.51ms from Los Angeles, US
209.77.1.2 AS401851 County of San Diego 5.65ms from Los Angeles, US

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
45.242.28.251 AS24863 Link Egypt (Link.NET) 6.14ms from Cairo, EG
64.24.145.43 AS7029 Windstream Communications LLC 14.79ms from Dallas, US
69.40.48.219 AS7029 Windstream Communications LLC 5.01ms from Dallas, US
37.187.154.203 AS16276 OVH SAS 0.06ms from Gravelines, FR
181.115.74.171 AS14754 TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIMA 6.61ms from Guatemala City, GT
171.238.157.155 AS7552 Viettel Group 9.41ms from Ho Chi Minh City, VN
207.127.97.235 AS31898 Oracle Corporation 0.31ms from Jeddah, SA
199.87.55.155 AS6461 Zayo Bandwidth 1.66ms from Kansas City, US
213.177.214.187 AS15704 XTRA TELECOM S.A. 3.81ms from Madrid, ES
151.249.249.27 AS42772 Unitary enterprise A1 0.75ms from Minsk, BY
177.191.223.155 AS53006 ALGAR TELECOM S/A 1.31ms from Osasco, BR
88.53.130.155 AS3269 Telecom Italia S.p.A. 13.44ms from Rome, IT
45.29.64.203 AS7018 AT&T Enterprises, LLC 5.81ms from San Jose, US
36.140.66.139 AS9808 China Mobile Communications Group Co., Ltd. 3.20ms from Shenzhen, CN
85.114.224.43 AS16010 Magticom Ltd. 0.60ms from Tbilisi, GE
188.25.65.203 AS8708 DIGI ROMANIA S.A. 4.01ms from Timisoara, RO
92.65.227.27 AS1136 KPN B.V. 0.45ms from Amsterdam, NL
89.39.14.139 AS39345 BTS TELECOM & Hosting SRL 0.69ms from Bucharest, RO
212.92.10.187 AS8990 4iG Telecommunications Holding Zrt 0.52ms from Budapest, HU
181.102.160.123 AS7303 Telecom Argentina S.A. 12.77ms from Buenos Aires, AR
98.156.4.43 AS11427 Charter Communications Inc 14.07ms from Dallas, US
191.99.255.251 AS27738 Ecuadortelecom S.A. 2.54ms from Guayaquil, EC
82.129.62.123 AS199452 MS3 Networks Ltd 6.82ms from London, GB
20.26.209.91 AS8075 Microsoft Corporation 0.18ms from London, GB
20.108.232.251 AS8075 Microsoft Corporation 0.20ms from London, GB

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f2 -m8 170.213.19.120
traceroute to 170.213.19.120 (170.213.19.120): 8 hops max, 52 byte packets
4 [] 116.119.161.198 4.151 ms
5 [AS6453] 180.87.38.92 6.649 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Pune, IN
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS401851 at robtex.

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