Autonomous System details

AS401999

Fairfax County NCR  ·  fairfaxcounty.gov

United States
    Stub AS Icon Stub AS

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AS401999 – Fairfax County NCR

Field Value
Country United States
Website fairfaxcounty.gov
Hosted domains 0
IPv4 addresses 512
IPv6 addresses 0
ASN type Government
Registry arin
Allocated 7 months ago on Sep 19, 2025
Updated 7 months ago on Sep 19, 2025

IP Ranges

Netblock Company Num of IPs
76.9.155.0/24 Fairfax County NCR 256
76.9.156.0/24 Fairfax County NCR 256

There are no known IPv6 addresses belonging to this network

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IP Ranges API

WHOIS Details

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                                                ASHandle:       AS401999
                                                OrgID:          AS401999
                                                ASName:         AS401999
                                                ASNumber:       AS401999
                                                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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Hosted Domains API & Database

Peers

There is 1 peer for this ASN.

Peers Name
AS6939 Hurricane Electric LLC
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS6939 Hurricane Electric LLC
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

No IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

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
91.127.8.223 AS6855 Slovak Telekom, a.s. 6.11ms from Bratislava, SK
217.230.50.47 AS3320 Deutsche Telekom AG 6.38ms from Duesseldorf, DE
178.203.170.223 AS3209 Vodafone GmbH 10.75ms from Frankfurt am Main, DE
1.21.33.79 AS2519 ARTERIA Networks Corporation 3.38ms from Osaka, JP
188.134.13.239 AS41733 JSC ER-Telecom Holding 1.97ms from Saint Petersburg, RU
201.63.245.95 AS10429 TELEFÔNICA BRASIL S.A 0.84ms from Sao Paulo, BR
46.254.132.127 AS29694 VILLAGENET Ltd. 10.66ms from Sofia, BG
95.205.84.95 AS3301 Telia Company AB 15.04ms from Stockholm, SE
219.143.156.111 AS4847 China Networks Inter-Exchange 3.77ms from Tianjin, CN
52.194.88.255 AS16509 Amazon.com, Inc. 0.47ms from Tokyo, JP
190.97.54.143 AS27833 BVNET S.A. 7.94ms from Buenos Aires, AR
76.84.189.175 AS11427 Charter Communications Inc 19.67ms from Dallas, US
83.194.230.207 AS3215 Orange S.A. 9.06ms from Frankfurt am Main, DE
80.145.203.31 AS3320 Deutsche Telekom AG 10.18ms from Frankfurt am Main, DE
37.151.230.191 AS9198 JSC Kazakhtelecom 7.57ms from Karagandy, KZ
88.14.154.63 AS3352 TELEFONICA DE ESPANA S.A.U. 8.01ms from Madrid, ES
62.115.187.95 AS1299 Arelion Sweden AB 0.11ms from New York City, US
145.82.45.207 AS25019 Saudi Telecom Company JSC 7.80ms from Riyadh, SA
122.35.108.239 AS17858 LG POWERCOMM 1.94ms from Seoul, KR
49.172.24.79 AS17858 LG POWERCOMM 6.69ms from Seoul, KR
123.60.126.15 AS55990 Huawei Cloud Service data center 2.05ms from Shanghai, CN
20.246.139.239 AS8075 Microsoft Corporation 0.60ms from Ashburn, US
218.21.205.175 AS4837 CHINA UNICOM China169 Backbone 15.24ms from Changchun, CN
91.43.28.127 AS3320 Deutsche Telekom AG 3.00ms from Düsseldorf, DE
92.131.89.127 AS3215 Orange S.A. 3.54ms from Frankfurt am Main, DE

Traceroute

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

$
traceroute -a -n -q1 -f2 -m9 76.9.155.75
traceroute to 76.9.155.75 (76.9.155.75): 9 hops max, 52 byte packets
2 [AS43060] 94.158.57.92 0.775 ms
3 *
4 *
5 *
7 *
8 *
9 *
Measurement taken from IPinfo ProbeNet in Tashkent, UZ
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 AS401999 at robtex.

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