Autonomous System details

AS264

SRI International  ·  sri.com

United States

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AS264 – SRI International

Field Value
Country United States
Website sri.com
Hosted domains 76
IPv4 addresses 70,912
IPv6 addresses 0
ASN type Education
Registry arin
Allocated 37 years ago on Jan 23, 1989
Updated 5 months ago on Dec 01, 2025

IP Ranges

Netblock Company Num of IPs
128.18.0.0/16 SRI International 65,536
128.57.128.0/23 SRI International 512
128.57.47.0/24 SRI International 256
128.57.50.0/24 SRI International 256
128.57.60.0/24 SRI International 256
128.57.61.0/24 SRI International 256
128.57.62.0/24 SRI International 256
128.57.89.0/24 SRI International 256
128.57.90.0/24 SRI International 256
128.57.92.0/24 SRI International 256
128.57.93.0/24 SRI International 256
128.57.208.0/24 SRI International 256
128.57.209.0/24 SRI International 256
128.57.216.0/24 SRI International 256
128.57.217.0/24 SRI International 256
192.5.38.0/24 SRI International 256
192.5.67.0/24 SRI International 256
192.12.5.0/24 SRI International 256
192.12.33.0/24 SRI International 256
192.47.243.0/24 SRI International 256
192.67.67.0/24 SRI International 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS264
                                                OrgID:          AS264
                                                ASName:         AS264
                                                ASNumber:       AS264
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 76 domain names hosted across 13 IP addresses on this ASN.

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IP Address Domain Domains on this IP
128.18.241.227 ████████ 20
128.18.241.207 ██████████ 13
128.18.30.215 ██████████ 12
128.18.244.60 ██████████ 12
128.18.244.59 ██████████ 5
128.18.26.22 ██████████ 3
128.18.244.57 █████████ 3
128.18.244.32 ██████████ 2
128.18.93.47 █████████ 2
128.18.242.102 ██████████ 1

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Peers

There are 3 peers for this ASN.

Peers Name
AS1239 Cogent Communications, LLC
AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth
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ASN API & Database

Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth
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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address ASN Details
128.57.217.10 AS264 SRI International 0.87ms from Piscataway, US
128.57.62.2 AS264 SRI International 4.34ms from Santa Clara, US
192.5.38.4 AS264 SRI International 0.92ms from Ashburn, US
128.57.208.52 AS264 SRI International 1.52ms from San Jose, US
128.18.242.166 AS264 SRI International 1.10ms from San Jose, US
128.18.241.41 AS264 SRI International 1.63ms from San Jose, US
128.57.92.1 AS264 SRI International 0.83ms from Piscataway, US
128.57.216.10 AS264 SRI International 0.94ms from Piscataway, US
128.18.243.44 AS264 SRI International 1.50ms from San Jose, US
192.5.67.115 AS264 SRI International 0.93ms from San Jose, US
192.67.67.85 AS264 SRI International 1.07ms from San Jose, 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
47.253.1.248 AS45102 Alibaba (US) Technology Co., Ltd. 0.29ms from Ashburn, US
144.217.155.168 AS16276 OVH SAS 0.10ms from Beauharnois, CA
64.222.75.248 AS13977 Fidium 3.19ms from Boston, US
130.202.171.136 AS683 Argonne National Laboratory 2.41ms from Chicago, US
188.237.45.104 AS8926 Moldtelecom SA 2.91ms from Chisinau, MD
181.219.46.8 AS28573 Claro NXT Telecomunicacoes Ltda 5.50ms from Curitiba, BR
92.148.144.200 AS3215 Orange S.A. 9.37ms from Frankfurt am Main, DE
64.43.196.216 AS397451 ZeroBounce 0.24ms from Frankfurt am Main, DE
99.86.233.136 AS16509 Amazon.com, Inc. 0.08ms from Hamburg, DE
34.92.178.40 AS396982 Google LLC 0.11ms from Hong Kong, HK
95.67.14.248 AS34867 Cosmonova LLC 0.25ms from Kyiv, UA
81.179.175.24 AS13285 TalkTalk Communications Limited 0.95ms from London, GB
95.235.14.200 AS3269 Telecom Italia S.p.A. 5.30ms from Rome, IT
86.120.138.40 AS8708 DIGI ROMANIA S.A. 6.62ms from Timisoara, RO
12.221.235.56 AS7018 AT&T Enterprises, LLC 0.99ms from Dallas, US
20.234.80.40 AS8075 Microsoft Corporation 0.16ms from Dublin, IE
51.102.68.168 AS16509 Amazon.com, Inc. 0.32ms from Frankfurt am Main, DE
78.132.182.72 AS12389 PJSC Rostelecom 10.48ms from Moscow, RU
177.63.211.248 AS27699 TELEFÔNICA BRASIL S.A 9.32ms from Osasco, BR
193.85.27.104 AS13036 T-Mobile Czech Republic a.s. 0.87ms from Prague, CZ
2.114.252.216 AS3269 Telecom Italia S.p.A. 5.36ms from Rende, IT
44.192.116.152 AS14618 Amazon.com, Inc. 0.20ms from Reston, US
52.172.50.40 AS8075 Microsoft Corporation 0.29ms from Saint Thomas Mount, IN
173.249.208.184 AS11878 tzulo, inc. 0.32ms from San Jose, US
34.96.13.136 AS396982 Google LLC 0.12ms from Sao Paulo, BR

Traceroute

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

$
traceroute -a -n -q1 -f5 -m8 128.18.106.121
traceroute to 128.18.106.121 (128.18.106.121): 8 hops max, 52 byte packets
5 [AS2914] 116.51.16.30 36.448 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Ho Chi Minh City, VN
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 AS264 at robtex.

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