204.100.59.0/24

AS18558 · Riverside County Office of Education

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Summary

Country	United States
Domain	rcoe.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:        2025-09-03
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:        2025-09-11
OrgAdminHandle: WILKI325-ARIN
OrgTechHandle:  RD75-ARIN
OrgTechHandle:  WILKI325-ARIN
OrgAbuseHandle: RD75-ARIN
OrgAbuseHandle: WILKI325-ARIN
OrgNOCHandle:   RD75-ARIN
OrgNOCHandle:   WILKI325-ARIN
OrgRoutingHandle:   RD75-ARIN
OrgRoutingHandle:   WILKI325-ARIN
OrgDNSHandle:   RD75-ARIN
OrgDNSHandle:   WILKI325-ARIN
Source:         ARIN


POCHandle:      RD75-ARIN
IsRole:         N
LastName:       D'Souza
FirstName:      Richard
Street:         Riverside County Office of Education
Street:         3939 13th Street
City:           Riverside
State/Prov:     CA
Country:        US
PostalCode:     92502
RegDate:        1998-05-15
Updated:        2025-01-08
OfficePhone:    +1-951-826-6475
Mailbox:        rdsouza@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 204.100.59.0/24

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
76.97.177.72	AS7922 Comcast Cable Communications, LLC	`3.87ms` from Atlanta, US
104.209.130.24	AS8075 Microsoft Corporation	`0.31ms` from Boydton, US
101.180.216.200	AS1221 Telstra Limited	`4.17ms` from Brisbane, AU
180.216.23.248	AS4804 Microplex PTY LTD	`3.44ms` from Brisbane, AU
181.1.231.24	AS7303 Telecom Argentina S.A.	`12.51ms` from Buenos Aires, AR
71.71.255.120	AS11426 Charter Communications Inc	`10.63ms` from Charlotte, US
172.233.77.40	AS63949 Akamai Connected Cloud	`0.28ms` from Osaka, JP
103.88.235.216	AS262287 Latitude.sh LTDA	`0.11ms` from Sao Paulo, BR
211.34.39.8	AS4766 Korea Telecom	`3.03ms` from Seoul, KR
76.191.19.136	AS33097 Volo Broadband	`2.87ms` from Chicago, US
35.223.248.216	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
83.137.169.168	AS31521 DOM Digital Online Media GmbH	`3.43ms` from Frankfurt am Main, DE
49.131.242.40	AS17924 SmarTone Mobile Communications Ltd	`11.00ms` from Hong Kong, HK
20.40.58.184	AS8075 Microsoft Corporation	`0.68ms` from Lohogaon, IN
177.142.185.88	AS28573 Claro NXT Telecomunicacoes Ltda	`7.88ms` from Rio de Janeiro, BR
112.154.0.56	AS17858 LG POWERCOMM	`3.43ms` from Seoul, KR
112.182.58.200	AS4766 Korea Telecom	`1.88ms` from Seoul, KR
211.106.239.216	AS4766 Korea Telecom	`6.76ms` from Seoul, KR
111.225.172.184	AS4134 CHINANET-BACKBONE	`7.46ms` from Shijiazhuang, CN
77.118.85.152	AS8437 Hutchison Drei Austria GmbH	`3.11ms` from Vienna, AT
1.158.230.8	AS1221 Telstra Limited	`1.61ms` from Adelaide, AU
213.211.100.88	AS9198 JSC Kazakhtelecom	`2.09ms` from Almaty, KZ
132.183.98.104	AS40831 Mass General Brigham Incorporated	`2.12ms` from Boston, US
177.205.112.8	AS18881 TELEFÔNICA BRASIL S.A	`0.38ms` from Brasilia, BR
138.255.247.72	AS263980 G3 Telecom EIRELI	`9.49ms` from Fortaleza, BR

Traceroute

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

traceroute -a -n -q1 -m7 204.100.59.180

traceroute to 204.100.59.180 (204.100.59.180): 7 hops max, 52 byte packets

1 [AS15169] 142.251.65.164 126.589 ms

2 *

3 [AS2152] 137.164.11.87 144.415 ms

4 [AS2152] 137.164.1.111 137.631 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Chang-hua, TW

On September 11th 2025

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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