204.100.151.0/24

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 204.100.151.0/24

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
157.253.3.56	AS3603 University de Los Andes	`1.24ms` from Bogota, CO
79.139.57.184	AS62214 Rackforest Zrt.	`0.32ms` from Budapest, HU
91.63.152.8	AS3320 Deutsche Telekom AG	`6.61ms` from Frankfurt am Main, DE
158.175.99.72	AS36351 IBM Cloud	`1.33ms` from London, GB
185.223.136.40	AS214286 IBERICA DE REDES (REDI)	`4.36ms` from Madrid, ES
24.59.56.200	AS11351 Charter Communications Inc	`16.81ms` from New York City, US
84.22.25.8	AS29667 Atlantis Net Ltd.	`5.17ms` from Sofia, BG
20.188.192.104	AS8075 Microsoft Corporation	`0.66ms` from Sydney, AU
43.207.70.184	AS16509 Amazon.com, Inc.	`0.70ms` from Tokyo, JP
66.212.173.168	AS11342 Pathway Communications	`0.97ms` from Toronto, CA
138.73.56.72	AS611 NB-PEI Educational Computer Network	`12.95ms` from Fredericton, CA
77.8.212.152	AS6805 Telefonica Germany GmbH & Co.OHG	`1.09ms` from Hamburg, DE
27.6.219.232	AS17488 Hathway IP Over Cable Internet	`0.81ms` from Kolkata, IN
69.247.230.168	AS7922 Comcast Cable Communications, LLC	`4.44ms` from Miami, US
185.201.65.8	AS47242 Host SpA	`5.94ms` from Milan, IT
147.100.78.24	AS2200 Renater	`7.33ms` from Paris, FR
115.64.39.216	AS7545 TPG Telecom Limited	`1.42ms` from Perth, AU
121.42.73.8	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.31ms` from Qingdao, CN
13.223.179.184	AS14618 Amazon.com, Inc.	`0.54ms` from Reston, US
87.21.79.72	AS3269 Telecom Italia S.p.A.	`13.17ms` from Rome, IT
177.76.63.248	AS26599 TELEFÔNICA BRASIL S.A	`1.75ms` from Sao Paulo, BR
42.127.110.40	AS10010 TOKAI Communications Corporation	`8.33ms` from Tokyo, JP
76.12.154.72	AS20021 Ntirety, Inc.	`4.34ms` from Ashburn, US
104.223.114.168	AS6079 RCN	`2.60ms` from Ashburn, US
221.218.88.232	AS4808 China Unicom Beijing Province Network	`4.01ms` from Beijing, CN

Traceroute

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

traceroute -a -n -q1 -f5 -m9 204.100.151.169

traceroute to 204.100.151.169 (204.100.151.169): 9 hops max, 52 byte packets

5 [AS6762] 149.3.183.83 8.214 ms

6 [AS6762] 195.22.209.223 8.945 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Kettering, GB

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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