204.100.205.0/24

AS18558 · Riverside County Office of Education

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Summary

Country	United States
Domain	countyofriverside.us
ASN	AS18558
Parent Range	204.100.0.0/16
Registry	ARIN
ID	RCOEK-12NET

WHOIS Details

NetHandle:      NET-204-100-0-0-1
OrgID:          COUNTY-20
Parent:         NET-204-0-0-0-0
NetName:        RCOEK-12NET
NetRange:       204.100.0.0 - 204.100.255.255
NetType:        allocation
RegDate:        1994-07-13
Updated:        2025-10-20
TechHandle:     ELLIS608-ARIN
TechHandle:     WILKI325-ARIN
AbuseHandle:    WILKI325-ARIN
NOCHandle:      WILKI325-ARIN
Source:         ARIN


OrgID:          COUNTY-20
OrgName:        County of Riverside
CanAllocate:    
Street:         Information Technology Services
Street:         3939 Thirteenth Street
City:           Riverside
State/Prov:     CA
Country:        US
PostalCode:     92502
RegDate:        1994-07-13
Updated:        2025-10-20
OrgAdminHandle: WILKI325-ARIN
OrgTechHandle:  ELLIS608-ARIN
OrgTechHandle:  WILKI325-ARIN
OrgAbuseHandle: WILKI325-ARIN
OrgNOCHandle:   WILKI325-ARIN
OrgRoutingHandle:   WILKI325-ARIN
OrgDNSHandle:   WILKI325-ARIN
Source:         ARIN


POCHandle:      ELLIS608-ARIN
IsRole:         N
LastName:       Ellis
FirstName:      Jared
Street:         3939 Thirteenth Street
City:           Riverside
State/Prov:     CA
Country:        US
PostalCode:     92502
RegDate:        2025-09-12
Updated:        2025-09-12
OfficePhone:    +1-951-826-6556
Mailbox:        jellis@rcoe.us
Source:         ARIN


POCHandle:      WILKI325-ARIN
IsRole:         N
LastName:       Wilkinson
FirstName:      David
Street:         3939 Thirteenth Street
City:           Riverside
State/Prov:     CA
Country:        US
PostalCode:     92502
RegDate:        2025-01-08
Updated:        2025-09-04
OfficePhone:    +1-951-826-6560
Mailbox:        dwilkinson@rcoe.us
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 204.100.205.0/24

Range	ASN	Company	Num of IPs
204.100.0.0/16	AS18558	County of Riverside	65,536

Nearby Ranges

BGP prefixes that overlap with 204.100.0.0/16

Range	ASN	Company	Num of IPs
204.100.0.0/16	AS18558	County of Riverside	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

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Pingable IPs

No IPs in this range 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
147.52.154.120	AS6867 University of Crete	`8.41ms` from Athens, GR
79.233.188.88	AS3320 Deutsche Telekom AG	`6.38ms` from Frankfurt am Main, DE
210.92.248.8	AS3786 LG DACOM Corporation	`2.08ms` from Incheon, KR
150.138.202.88	AS58540 Jinan,250000	`3.94ms` from Jinan, CN
120.151.141.216	AS1221 Telstra Limited	`1.90ms` from Melbourne, AU
66.41.214.152	AS7922 Comcast Cable Communications, LLC	`5.16ms` from Minneapolis, US
185.150.89.24	AS210664 Virtua-Networks SARL	`5.92ms` from Paris, FR
35.171.230.72	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
187.10.130.136	AS27699 TELEFÔNICA BRASIL S.A	`16.31ms` from Sao Paulo, BR
187.22.27.72	AS28573 Claro NXT Telecomunicacoes Ltda	`5.17ms` from Sao Paulo, BR
166.117.166.104	AS16509 Amazon.com, Inc.	`0.04ms` from Bangkok, TH
121.25.182.40	AS4837 CHINA UNICOM China169 Backbone	`8.95ms` from Beijing, CN
46.97.192.88	AS12302 Vodafone Romania S.A.	`16.61ms` from Bucharest, RO
86.106.81.40	AS39543 Tennet Telecom SRL	`0.57ms` from Bucharest, RO
69.14.245.40	AS12083 WideOpenWest Finance LLC	`9.90ms` from Chicago, US
129.92.31.56	AS668 United States Department of Defense (DoD)	`4.19ms` from Chicago, US
201.23.1.168	AS272432 MAGAZINE LUIZA S/A	`0.47ms` from Fortaleza, BR
79.232.249.8	AS3320 Deutsche Telekom AG	`6.25ms` from Frankfurt am Main, DE
86.2.103.152	AS5089 Virgin Media Limited	`11.14ms` from London, GB
99.159.248.72	AS7018 AT&T Enterprises, LLC	`2.90ms` from Miami, US
49.67.53.104	AS4134 CHINANET-BACKBONE	`5.78ms` from Nanjing, CN
122.1.126.24	AS4713 NTT DOCOMO BUSINESS,Inc.	`12.79ms` from Osaka, JP
167.86.144.136	AS25019 Saudi Telecom Company JSC	`7.00ms` from Riyadh, SA
114.24.244.216	AS3462 Data Communication Business Group	`3.21ms` from Taipei, TW
91.61.171.40	AS3320 Deutsche Telekom AG	`7.56ms` from Frankfurt am Main, DE

Traceroute

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

traceroute -a -n -q1 -f3 -m15 204.100.205.162

traceroute to 204.100.205.162 (204.100.205.162): 15 hops max, 52 byte packets

3 [AS9002] 87.245.232.244 31.356 ms

4 *

5 *

6 [AS3356] 4.35.156.66 176.231 ms

7 [AS2152] 137.164.11.87 177.735 ms

8 [AS2152] 137.164.1.111 175.969 ms

9 *

10 [AS18558] 204.100.209.65 184.089 ms

11 *

12 [AS18558] 204.100.209.65 178.273 ms

13 *

14 *

15 *

Measurement taken from

IPinfo ProbeNet in Tallinn, EE

On March 28th 2026

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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