AS number details

AS1555

United States Department of Defense (DoD)  ·  unitedrdc.com

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AS1555 – United States Department of Defense (DoD)

Field Value
Country United States
Website unitedrdc.com
Hosted domains 0
Number of IPv4 66,304
Number of IPv6 0
ASN type Government
Registry arin
Allocated 19 years ago on Apr 03, 2006
Updated 8 days ago on Sep 12, 2025
Netblock Company Num of IPs
136.210.0.0/16 Headquarters, USAISC 65,536
139.139.99.0/24 Headquarters, USAISC 256
143.86.204.0/24 Headquarters, USAISC 256
144.105.249.0/24 Headquarters, USAISC 256

There are no known IPv6 addresses belonging to this network

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IP Ranges API

WHOIS Details


                                                ASHandle:       AS1555
                                                OrgID:          AS1555
                                                ASName:         AS1555
                                                ASNumber:       AS1555
                                                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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Useful for Cybersecurity

Peers

There are 2 peers for this ASN.

Peers Name
AS1501 Headquarters, USAISC
AS1554 United States Department of Defense (DoD)
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS1554 United States Department of Defense (DoD)
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Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS1501 Headquarters, USAISC
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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
90.226.3.211 AS3301 Telia Company AB 3.69ms from Copenhagen, DK
35.222.156.67 AS396982 Google LLC 0.13ms from Council Bluffs, US
186.176.136.227 AS262197 MILLICOM CABLE COSTA RICA S.A. 7.97ms from Curridabat, CR
93.222.162.3 AS3320 Deutsche Telekom AG 6.15ms from Frankfurt am Main, DE
42.113.206.179 AS18403 FPT Telecom Company 0.23ms from Hanoi, VN
46.248.65.51 AS34779 T-2, d.o.o. 1.35ms from Ljubljana, SI
45.15.132.3 AS208897 Lasarte Telecomunicaciones, S.L. 6.36ms from Madrid, ES
208.73.103.131 AS10242 US Internet Corp 7.40ms from Minneapolis, US
52.5.33.195 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
3.223.21.3 AS14618 Amazon.com, Inc. 0.18ms from Reston, US
181.160.233.51 AS7418 TELEFÓNICA CHILE S.A. 11.13ms from Santiago, CL
68.87.114.51 AS7922 Comcast Cable Communications, LLC 3.79ms from Seattle, US
32.208.192.3 AS46690 Southern New England Telephone Company and SNET America, Inc. 4.93ms from Secaucus, US
121.157.231.131 AS4766 Korea Telecom 1.55ms from Seoul, KR
90.141.6.3 AS1257 Tele2 Sverige AB 5.41ms from Stockholm, SE
1.168.55.211 AS3462 Data Communication Business Group 1.13ms from Taichung, TW
60.43.158.99 AS4713 NTT Communications Corporation 1.45ms from Tokyo, JP
111.4.228.67 AS9808 China Mobile Communications Group Co., Ltd. 4.87ms from Wuhan, CN
91.177.136.211 AS5432 Proximus NV 4.89ms from Amsterdam, NL
181.236.191.67 AS3816 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC 19.35ms from Bogota, CO
71.29.112.3 AS7029 Windstream Communications LLC 13.48ms from Chicago, US
208.79.51.227 AS36372 REV 12.09ms from Dallas, US
192.232.202.19 AS46606 Unified Layer 1.98ms from Draper, US
178.184.189.99 AS12389 PJSC Rostelecom 12.92ms from Krasnoyarsk, RU
217.12.192.99 AS15626 GREEN FLOID LLC 7.13ms from Kyiv, UA

Traceroute

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

$
traceroute -a -n -q1 -m7 143.86.204.254
traceroute to 143.86.204.254 (143.86.204.254): 7 hops max, 52 byte packets
1 [AS43350] 185.7.78.254 98.004 ms
2 *
3 [AS3356] 171.75.10.251 19.353 ms
4 [AS3356] 62.67.79.154 25.646 ms
5 *
6 *
7 *
Measurement taken from IPinfo ProbeNet in Roosendaal, NL
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 AS1555 at robtex.

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