204.100.40.0/24

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 204.100.40.0/24

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
104.52.68.184	AS7018 AT&T Enterprises, LLC	`9.17ms` from Atlanta, US
31.46.29.152	AS205285 Kapulan Kft.	`6.42ms` from Budapest, HU
66.69.186.72	AS11427 Charter Communications Inc	`7.03ms` from Dallas, US
68.12.229.184	AS22773 Cox Communications Inc.	`9.04ms` from Dallas, US
38.137.12.216	AS133661 Netplus Broadband Services Private Limited	`6.80ms` from Delhi, IN
84.181.108.120	AS3320 Deutsche Telekom AG	`6.94ms` from Frankfurt am Main, DE
86.170.211.216	AS2856 British Telecommunications PLC	`6.48ms` from London, GB
91.125.184.168	AS6871 Plusnet	`4.93ms` from London, GB
198.48.44.168	AS21779 Harlan Community Television, Inc.	`13.01ms` from Louisville, US
151.40.136.56	AS1267 WIND TRE S.P.A.	`7.40ms` from Milan, IT
85.19.185.24	AS25400 Telia Norge AS	`8.13ms` from Oslo, NO
90.14.191.88	AS3215 Orange S.A.	`9.79ms` from Paris, FR
54.226.59.24	AS14618 Amazon.com, Inc.	`0.22ms` from Reston, US
27.125.191.200	AS55430 Starhub Ltd	`2.63ms` from Singapore, SG
125.209.144.40	AS7545 TPG Telecom Limited	`1.05ms` from Sydney, AU
99.252.181.136	AS812 Rogers Communications Canada Inc.	`4.10ms` from Toronto, CA
99.242.85.72	AS812 Rogers Communications Canada Inc.	`6.09ms` from Toronto, CA
184.24.20.200	AS16625 Akamai Technologies, Inc.	`0.46ms` from Amsterdam, NL
104.59.229.216	AS7018 AT&T Enterprises, LLC	`2.74ms` from Atlanta, US
35.192.79.232	AS396982 Google LLC	`0.11ms` from Council Bluffs, US
3.76.170.24	AS16509 Amazon.com, Inc.	`0.27ms` from Frankfurt am Main, DE
159.124.47.88	AS30103 Zoom Video Communications, Inc	`0.77ms` from Frankfurt am Main, DE
91.12.50.40	AS3320 Deutsche Telekom AG	`9.84ms` from Frankfurt am Main, DE
116.110.234.8	AS24086 Viettel Corporation	`2.67ms` from Ho Chi Minh City, VN
169.202.188.24	AS14115 ABSA (Amalgamated Banks of South Africa)	`0.95ms` from Johannesburg, ZA

Traceroute

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

traceroute -a -n -q1 -f2 -m7 204.100.40.203

traceroute to 204.100.40.203 (204.100.40.203): 7 hops max, 52 byte packets

2 [AS50837] 208.111.57.3 0.239 ms

3 [AS40300] 206.197.210.169 0.521 ms

4 [AS40300] 206.197.210.209 0.243 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Honolulu, US

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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