204.100.153.0/24

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 204.100.153.0/24

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

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.

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
82.168.246.120	AS1136 KPN B.V.	`1.34ms` from Amsterdam, NL
192.185.176.168	AS19871 Network Solutions, LLC	`0.34ms` from Atlanta, US
185.253.153.120	AS49635 CLOUDI NEXTGEN SL	`0.71ms` from Barcelona, ES
188.26.134.8	AS8708 DIGI ROMANIA S.A.	`1.52ms` from Bucharest, RO
150.221.191.104	AS11427 Charter Communications Inc	`4.63ms` from Dallas, US
167.88.166.120	AS14956 RouterHosting LLC	`0.18ms` from Dallas, US
107.2.162.200	AS7922 Comcast Cable Communications, LLC	`2.55ms` from Denver, US
103.81.207.200	AS136151 Jatrabari Online	`0.50ms` from Dhaka, BD
62.144.235.120	AS12312 ecotel communication ag	`10.54ms` from Frankfurt am Main, DE
166.192.55.8	AS7018 AT&T Enterprises, LLC	`6.12ms` from Houston, US
95.111.253.72	AS51167 Contabo GmbH	`0.21ms` from Lauterbourg, FR
208.127.42.104	AS394089 Google LLC	`0.17ms` from London, GB
92.132.235.72	AS3215 Orange S.A.	`6.08ms` from Lyon, FR
83.54.222.152	AS3352 TELEFONICA DE ESPANA S.A.U.	`8.96ms` from Madrid, ES
88.209.89.40	AS6758 Monaco Telecom S.A.	`4.29ms` from Marseille, FR
80.147.92.232	AS3320 Deutsche Telekom AG	`7.08ms` from Nuernberg, DE
81.250.181.24	AS3215 Orange S.A.	`1.50ms` from Paris, FR
75.253.246.72	AS6167 Verizon Business	`8.71ms` from Seattle, US
114.25.14.248	AS3462 Data Communication Business Group	`1.40ms` from Taipei, TW
60.83.243.200	AS17676 SoftBank Corp.	`10.10ms` from Tokyo, JP
27.24.106.24	AS4134 CHINANET-BACKBONE	`4.43ms` from Wuhan, CN
73.238.41.24	AS7922 Comcast Cable Communications, LLC	`7.41ms` from Boston, US
50.44.119.8	AS5650 Frontier Communications of America, Inc.	`8.38ms` from Chicago, US
140.228.243.200	AS15108 Allo Communications LLC	`1.53ms` from Denver, US
182.188.237.104	AS17557 Pakistan Telecommunication Company Limited	`1.92ms` from Karachi, PK

Traceroute

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

traceroute -a -n -q1 -m5 204.100.153.120

traceroute to 204.100.153.120 (204.100.153.120): 5 hops max, 52 byte packets

1 [AS9211] 213.238.35.1 0.238 ms

2 [AS9211] 212.12.33.138 0.298 ms

3 *

4 *

5 *

Measurement taken from

IPinfo ProbeNet in Hamburg, DE

On March 29th 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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