204.100.99.0/24

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 204.100.99.0/24

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
73.89.162.88	AS7922 Comcast Cable Communications, LLC	`11.73ms` from Boston, US
196.219.212.40	AS8452 TE-AS	`2.96ms` from Cairo, EG
223.190.0.24	AS24560 Bharti Airtel Ltd., Telemedia Services	`6.83ms` from Delhi, IN
91.206.93.152	AS51659 LLC Baxet	`0.21ms` from Kazan, RU
170.200.184.8	AS24182 Interpublic GIS	`0.96ms` from Mumbai, IN
177.71.198.56	AS16509 Amazon.com, Inc.	`0.13ms` from Osasco, BR
201.238.246.72	AS14259 Gtd Internet S.A.	`0.55ms` from Santiago, CL
189.167.205.216	AS8151 UNINET	`9.08ms` from Santiago de Queretaro, MX
64.98.26.24	AS32133 Ting Fiber Inc.	`9.82ms` from Seattle, US
128.106.158.120	AS9506 Singtel Fibre Broadband	`1.47ms` from Singapore, SG
182.117.78.40	AS4837 CHINA UNICOM China169 Backbone	`3.46ms` from Zhengzhou, CN
128.150.222.152	AS102 U.S. National Science Foundation	`2.11ms` from Ashburn, US
97.238.91.216	AS6167 Verizon Business	`11.19ms` from Ashburn, US
190.51.186.40	AS22927 Telefonica de Argentina	`1.87ms` from Buenos Aires, AR
172.253.192.120	AS15169 Google LLC	`0.41ms` from Council Bluffs, US
3.252.251.56	AS16509 Amazon.com, Inc.	`0.16ms` from Dublin, IE
121.43.155.168	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`4.39ms` from Hangzhou, CN
88.249.107.168	AS9121 Turk Telekomunikasyon Anonim Sirketi	`1.80ms` from Istanbul, TR
197.95.131.24	AS20011 Dimension Data	`1.45ms` from Johannesburg, ZA
90.204.125.248	AS5607 Sky UK Limited	`7.06ms` from London, GB
152.40.10.200	AS53785 University of North Carolina at Greensboro	`10.97ms` from Manassas, US
137.175.131.104	AS5769 Videotron Ltee	`7.00ms` from Montreal, CA
119.45.129.184	AS45090 Shenzhen Tencent Computer Systems Company Limited	`0.16ms` from Nanjing, CN
59.98.127.248	AS9829 National Internet Backbone	`13.28ms` from Saint Thomas Mount, IN
67.180.43.72	AS7922 Comcast Cable Communications, LLC	`10.37ms` from San Jose, US

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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