Autonomous System details

AS18558

Riverside County Office of Education  ·  rcoe.us

United States

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AS18558 – Riverside County Office of Education

Field Value
Country United States
Website rcoe.us
Hosted domains 28
IPv4 addresses 71,936
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type Education
Registry arin
Allocated 25 years ago on Sep 12, 2000
Updated 3 months ago on Oct 20, 2025

IP Ranges

Netblock Company Num of IPs
204.100.0.0/16 County of Riverside 65,536
204.26.32.0/20 Alvord Unified School District 4,096
204.26.48.0/21 Alvord Unified School District 2,048
204.100.8.0/21 County of Riverside 2,048
204.100.16.0/21 County of Riverside 2,048
204.100.32.0/22 County of Riverside 1,024
204.100.68.0/22 County of Riverside 1,024
204.100.136.0/22 County of Riverside 1,024
204.26.56.0/24 Alvord Unified School District 256
204.100.38.0/24 County of Riverside 256
204.100.40.0/24 County of Riverside 256
204.100.41.0/24 County of Riverside 256
204.100.43.0/24 County of Riverside 256
204.100.44.0/24 County of Riverside 256
204.100.56.0/24 County of Riverside 256
204.100.58.0/24 County of Riverside 256
204.100.59.0/24 County of Riverside 256
204.100.60.0/24 County of Riverside 256
204.100.61.0/24 County of Riverside 256
204.100.65.0/24 County of Riverside 256
204.100.66.0/24 County of Riverside 256
204.100.67.0/24 County of Riverside 256
204.100.72.0/24 County of Riverside 256
204.100.73.0/24 County of Riverside 256
204.100.74.0/24 County of Riverside 256
204.100.75.0/24 County of Riverside 256
204.100.76.0/24 County of Riverside 256
204.100.77.0/24 County of Riverside 256
204.100.78.0/24 County of Riverside 256
204.100.79.0/24 County of Riverside 256
204.100.80.0/24 County of Riverside 256
204.100.81.0/24 County of Riverside 256
204.100.82.0/24 County of Riverside 256
204.100.87.0/24 County of Riverside 256
204.100.88.0/24 County of Riverside 256
204.100.89.0/24 County of Riverside 256
204.100.90.0/24 County of Riverside 256
204.100.91.0/24 County of Riverside 256
204.100.92.0/24 County of Riverside 256
204.100.93.0/24 County of Riverside 256
204.100.94.0/24 County of Riverside 256
204.100.97.0/24 County of Riverside 256
204.100.98.0/24 County of Riverside 256
204.100.99.0/24 County of Riverside 256
204.100.103.0/24 County of Riverside 256
204.100.105.0/24 County of Riverside 256
204.100.106.0/24 County of Riverside 256
204.100.114.0/24 County of Riverside 256
204.100.115.0/24 County of Riverside 256
204.100.116.0/24 County of Riverside 256
204.100.117.0/24 County of Riverside 256
204.100.118.0/24 County of Riverside 256
204.100.119.0/24 County of Riverside 256
204.100.120.0/24 County of Riverside 256
204.100.121.0/24 County of Riverside 256
204.100.122.0/24 County of Riverside 256
204.100.123.0/24 County of Riverside 256
204.100.124.0/24 County of Riverside 256
204.100.125.0/24 County of Riverside 256
204.100.126.0/24 County of Riverside 256
204.100.127.0/24 County of Riverside 256
204.100.128.0/24 County of Riverside 256
204.100.129.0/24 County of Riverside 256
204.100.130.0/24 County of Riverside 256
204.100.131.0/24 County of Riverside 256
204.100.132.0/24 County of Riverside 256
204.100.133.0/24 County of Riverside 256
204.100.134.0/24 County of Riverside 256
204.100.149.0/24 County of Riverside 256
204.100.150.0/24 County of Riverside 256
204.100.151.0/24 County of Riverside 256
204.100.152.0/24 County of Riverside 256
204.100.153.0/24 County of Riverside 256
204.100.154.0/24 County of Riverside 256
204.100.155.0/24 County of Riverside 256
204.100.156.0/24 County of Riverside 256
204.100.157.0/24 County of Riverside 256
204.100.158.0/24 County of Riverside 256
204.100.159.0/24 County of Riverside 256
204.100.164.0/24 County of Riverside 256
204.100.165.0/24 County of Riverside 256
204.100.166.0/24 County of Riverside 256
204.100.167.0/24 County of Riverside 256
204.100.168.0/24 County of Riverside 256
204.100.169.0/24 County of Riverside 256
204.100.170.0/24 County of Riverside 256
204.100.171.0/24 County of Riverside 256
204.100.172.0/24 County of Riverside 256
204.100.173.0/24 County of Riverside 256
204.100.174.0/24 County of Riverside 256
204.100.175.0/24 County of Riverside 256
204.100.180.0/24 County of Riverside 256
204.100.181.0/24 County of Riverside 256
204.100.182.0/24 County of Riverside 256
204.100.183.0/24 County of Riverside 256
204.100.184.0/24 County of Riverside 256
204.100.185.0/24 County of Riverside 256
204.100.186.0/24 County of Riverside 256
204.100.187.0/24 County of Riverside 256
204.100.188.0/24 County of Riverside 256
204.100.189.0/24 County of Riverside 256
204.100.190.0/24 County of Riverside 256
204.100.191.0/24 County of Riverside 256
204.100.192.0/24 County of Riverside 256
204.100.193.0/24 County of Riverside 256
204.100.194.0/24 County of Riverside 256
204.100.200.0/24 County of Riverside 256
204.100.201.0/24 County of Riverside 256
204.100.202.0/24 County of Riverside 256
204.100.203.0/24 County of Riverside 256
204.100.204.0/24 County of Riverside 256
204.100.205.0/24 County of Riverside 256
204.100.206.0/24 County of Riverside 256
204.100.207.0/24 County of Riverside 256
204.100.208.0/24 County of Riverside 256
204.100.209.0/24 County of Riverside 256
204.100.210.0/24 County of Riverside 256
204.100.211.0/24 County of Riverside 256
204.100.212.0/24 County of Riverside 256
204.100.213.0/24 County of Riverside 256
204.100.214.0/24 County of Riverside 256
204.100.220.0/24 County of Riverside 256
204.100.223.0/24 County of Riverside 256
204.100.224.0/24 County of Riverside 256
204.100.225.0/24 County of Riverside 256
204.100.226.0/24 County of Riverside 256
204.100.228.0/24 County of Riverside 256
204.100.229.0/24 County of Riverside 256
204.100.230.0/24 County of Riverside 256
204.100.231.0/24 County of Riverside 256
204.100.232.0/24 County of Riverside 256
204.100.233.0/24 County of Riverside 256
204.100.234.0/24 County of Riverside 256
204.100.235.0/24 County of Riverside 256
204.100.236.0/24 County of Riverside 256
204.100.237.0/24 County of Riverside 256
204.100.238.0/24 County of Riverside 256
204.100.239.0/24 County of Riverside 256
204.100.242.0/24 County of Riverside 256
204.100.243.0/24 County of Riverside 256

Netblock Company
2607:f708::/32 Riverside County Office of Education
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WHOIS Details

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                                                ASHandle:       AS18558
                                                OrgID:          AS18558
                                                ASName:         AS18558
                                                ASNumber:       AS18558
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 28 domain names hosted across 8 IP addresses on this ASN.

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IP Address Domain Domains on this IP
204.100.65.93 ██████████ 20
204.26.34.4 ██████████ 2
204.100.155.40 ██████████ 2
204.100.65.241 ██████████ 1
204.100.155.42 ██████████ 1
204.100.230.220 ██████████ 1
204.100.67.3 ██████████ 1
204.100.220.2 ██████████ 1

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Peers

There are 3 peers for this ASN.

Peers Name
AS2152 CENIC
AS395643 Corona-Norco Unified School District
AS401974 Val Verde Unified School District
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS2152 CENIC
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ASN API & Database

Downstreams

There are 2 downstreams for this ASN.

Downstreams Name
AS395643 Corona-Norco Unified School District
AS401974 Val Verde Unified School District
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Pingable IPs

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

IP Address ASN Details
204.100.171.0 AS18558 Riverside County Office of Education 3.63ms from Los Angeles, US
204.100.233.65 AS18558 Riverside County Office of Education 1.98ms from Los Angeles, US
204.100.138.251 AS18558 Riverside County Office of Education 2.45ms from Los Angeles, US
204.100.37.129 AS18558 Riverside County Office of Education 8.14ms from Los Angeles, US
204.100.204.65 AS18558 Riverside County Office of Education 1.96ms from Los Angeles, US
204.100.225.1 AS18558 Riverside County Office of Education 9.29ms from Los Angeles, US
204.100.150.1 AS18558 Riverside County Office of Education 1.96ms from Los Angeles, US
204.100.157.1 AS18558 Riverside County Office of Education 2.52ms from Los Angeles, US
204.100.242.1 AS18558 Riverside County Office of Education 9.29ms from Los Angeles, US
204.100.137.42 AS18558 Riverside County Office of Education 2.06ms from Los Angeles, US
204.100.134.233 AS18558 Riverside County Office of Education 1.93ms from Los Angeles, US
204.100.229.65 AS18558 Riverside County Office of Education 1.98ms from Los Angeles, US
204.100.114.65 AS18558 Riverside County Office of Education 8.14ms from Los Angeles, US
204.100.236.115 AS18558 Riverside County Office of Education 5.46ms from Los Angeles, US
204.100.155.10 AS18558 Riverside County Office of Education 2.36ms from Los Angeles, US
204.100.209.65 AS18558 Riverside County Office of Education 2.02ms from Los Angeles, US
204.100.136.1 AS18558 Riverside County Office of Education 2.14ms from Los Angeles, US
204.100.180.1 AS18558 Riverside County Office of Education 1.94ms from Los Angeles, US
204.100.226.1 AS18558 Riverside County Office of Education 1.96ms from Los Angeles, US
204.100.124.65 AS18558 Riverside County Office of Education 1.98ms from Los Angeles, US
204.100.158.65 AS18558 Riverside County Office of Education 1.93ms from Los Angeles, US
204.100.164.1 AS18558 Riverside County Office of Education 1.95ms from Los Angeles, US
204.100.214.65 AS18558 Riverside County Office of Education 1.93ms from Los Angeles, US
204.100.243.1 AS18558 Riverside County Office of Education 5.53ms from Los Angeles, US
204.100.121.29 AS18558 Riverside County Office of Education 4.26ms 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
46.176.126.30 AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA 1.31ms from Athens, GR
123.125.191.94 AS4808 China Unicom Beijing Province Network 3.18ms from Beijing, CN
71.221.127.254 AS19901 Brightspeed 8.22ms from Dallas, US
118.219.135.126 AS9318 SK Broadband Co Ltd 1.56ms from Incheon, KR
41.175.171.126 AS30844 Liquid Telecommunications Ltd 1.24ms from Lusaka, ZM
217.199.3.254 AS20811 Retelit Digital Services S.p.A. 5.02ms from Milan, IT
65.0.76.62 AS16509 Amazon.com, Inc. 0.12ms from Mumbai, IN
115.131.130.222 AS7545 TPG Telecom Limited 1.34ms from Perth, AU
45.79.25.94 AS63949 Akamai Connected Cloud 0.14ms from Richardson, US
125.135.74.254 AS4766 Korea Telecom 6.74ms from Seoul, KR
183.194.132.254 AS24400 Shanghai Mobile Communications Co.,Ltd. 2.79ms from Shanghai, CN
85.184.181.238 AS204274 AURA Fiber A/S 2.75ms from Skanderborg, DK
62.45.7.254 AS15435 DELTA Fiber Nederland B.V. 2.37ms from Amsterdam, NL
103.5.225.30 AS132042 Manux Networks Ltd 12.54ms from Auckland, NZ
182.60.12.14 AS9829 National Internet Backbone 13.36ms from Bengaluru, IN
52.32.102.62 AS16509 Amazon.com, Inc. 0.20ms from Boardman, US
109.129.226.14 AS5432 Proximus NV 2.00ms from Brussels, BE
81.164.63.30 AS6848 Telenet BV 5.80ms from Brussels, BE
46.251.27.174 AS43529 ViDaNet Cabletelevision Provider Ltd. 3.52ms from Budapest, HU
54.171.47.206 AS16509 Amazon.com, Inc. 0.19ms from Dublin, IE
80.147.224.142 AS3320 Deutsche Telekom AG 6.49ms from Frankfurt am Main, DE
14.169.163.222 AS45899 VNPT Corp 1.02ms from Ho Chi Minh City, VN
59.17.112.30 AS4766 Korea Telecom 0.54ms from Incheon, KR
69.152.35.222 AS7018 AT&T Enterprises, LLC 4.52ms from Los Angeles, US
5.165.74.94 AS50542 JSC ER-Telecom Holding 8.87ms from Moscow, RU

Traceroute

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

$
traceroute -a -n -q1 -f3 -m15 204.100.232.218
traceroute to 204.100.232.218 (204.100.232.218): 15 hops max, 52 byte packets
3 [AS174] 154.25.16.9 317.6 ms
4 *
5 [AS174] 130.117.0.189 12.571 ms
6 *
7 *
8 [AS3356] 4.35.156.66 184.04 ms
9 [AS2152] 137.164.11.87 188.066 ms
10 [AS2152] 137.164.1.111 187.781 ms
11 *
12 [AS18558] 204.100.233.65 181.326 ms
13 *
14 *
15 *
Measurement taken from IPinfo ProbeNet in Athens, GR
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 AS18558 at robtex.

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