23.90.101.0/24

AS16417 · Cisco Systems Ironport Division

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Summary

Country	United States
Domain	cisco.com
ASN	AS16417
Registry	ARIN
ID	CISL-7

WHOIS Details

NetHandle:      NET-23-90-96-0-1
OrgID:          CISL-7
Parent:         NET-23-0-0-0-0
NetName:        CISL-7
NetRange:       23.90.96.0 - 23.90.127.255
NetType:        allocation
RegDate:        2019-10-28
Updated:        2022-11-14
Source:         ARIN


OrgID:          CISL-7
OrgName:        Cisco Systems Ironport Division
CanAllocate:    
Street:         170 West Tasman Drive
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2010-11-09
Updated:        2023-02-03
OrgAdminHandle: ISO3-ARIN
OrgTechHandle:  BOUDJ-ARIN
OrgTechHandle:  ISO3-ARIN
OrgAbuseHandle: INA15-ARIN
OrgNOCHandle:   ISO3-ARIN
Source:         ARIN


POCHandle:      INA15-ARIN
IsRole:         Y
LastName:       Ironport Network Abuse
FirstName:      
Street:         170 West Tasman Dr
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2005-06-07
Updated:        2025-06-04
OfficePhone:    +1-408-424-1164
OfficePhone:    +1-650-898-1526
Mailbox:        netops-ironport@cisco.com
Mailbox:        network-abuse@ironport.com
Source:         ARIN


POCHandle:      ISO3-ARIN
IsRole:         Y
LastName:       Ironport Network Operations
FirstName:      
Street:         170 W Tasman Dr
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2005-06-07
Updated:        2025-02-24
OfficePhone:    +1-408-424-1164
OfficePhone:    +1-650-898-1526
Mailbox:        netops-ironport@cisco.com
Mailbox:        netops@ironport.com
Source:         ARIN


POCHandle:      BOUDJ-ARIN
IsRole:         N
LastName:       BOUDJEDAIMI
FirstName:      SOFIANE
Street:         170 West Tasman Dr.
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2018-08-15
Updated:        2025-02-04
OfficePhone:    +1-408-527-7461
Mailbox:        sboudjed@cisco.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 23.90.0.0/16

Range	ASN	Company	Num of IPs
23.90.192.0/18	AS16347	UNYC SAS	16,384
23.90.28.0/22	AS62904	ServerHub Dallas	1,024
23.90.88.0/22	AS397332	City of Anacortes	1,024
23.90.64.0/22	AS47638	Cadence Networks Ltd	1,024
23.90.84.0/24	AS62685	CloudCo Partner Inc.	256
23.90.33.0/24	AS62904	Direct Inbox Delivery	256
23.90.46.0/24	AS62904	ServerHub Dallas	256
23.90.32.0/24	AS834	Internet Utilities NA LLC	256
23.90.73.0/24	AS17321	LHC Group	256
23.90.68.0/24	AS27381	Index Exchange Inc.	256
23.90.78.0/24	AS62685	WatchGuard Technologies, Inc.	256

Hosted domains

There is 1 domain name hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
23.90.101.174	heimdallproperty.com	1
23.90.101.175	heimdallproperty.com	1

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

67 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address	ASN	Details
23.90.101.29	AS16417 Cisco Systems Ironport Division	`5.53ms` from Los Angeles, US

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
84.140.151.248	AS3320 Deutsche Telekom AG	`2.73ms` from Berlin, DE
177.17.190.104	AS18881 TELEFÔNICA BRASIL S.A	`3.03ms` from Brasilia, BR
113.176.118.136	AS45899 VNPT Corp	`1.71ms` from Da Nang, VN
80.150.9.104	AS3320 Deutsche Telekom AG	`4.32ms` from Frankfurt am Main, DE
186.43.194.200	AS27668 ETAPA EP	`5.63ms` from Guayaquil, EC
91.62.196.24	AS3320 Deutsche Telekom AG	`2.75ms` from Hamburg, DE
113.169.35.136	AS45899 VNPT Corp	`2.71ms` from Ho Chi Minh City, VN
203.145.87.248	AS10118 Hutchison Telephone Company Limited	`15.84ms` from Hong Kong, HK
161.132.107.168	AS27843 ON EMPRESAS S.A.C.	`0.29ms` from Lima, PE
5.36.213.184	AS28885 OmanTel NAP	`2.73ms` from Muscat, OM
212.195.81.40	AS5410 Bouygues Telecom SA	`4.42ms` from Paris, FR
37.203.36.72	AS12993 Sabiedriba ar ierobezotu atbildibu DELSKA Latvia	`0.45ms` from Riga, LV
73.223.73.104	AS7922 Comcast Cable Communications, LLC	`5.00ms` from Santa Clara, US
122.51.28.232	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.00ms` from Shanghai, CN
121.6.14.152	AS9506 Singtel Fibre Broadband	`1.45ms` from Singapore, SG
49.7.225.152	AS23724 IDC, China Telecommunications Corporation	`3.07ms` from Tianjin, CN
200.233.222.168	AS16735 ALGAR TELECOM S/A	`6.01ms` from Uberlandia, BR
77.228.243.40	AS12430 VODAFONE ESPANA S.A.U.	`6.37ms` from Barcelona, ES
115.182.49.152	AS4847 China Networks Inter-Exchange	`3.46ms` from Beijing, CN
165.212.100.216	AS14454 SilverSky, Inc.	`1.73ms` from Denver, US
62.60.236.120	AS210644 AEZA INTERNATIONAL LTD	`0.47ms` from Frankfurt am Main, DE
20.24.245.184	AS8075 Microsoft Corporation	`0.31ms` from Hong Kong, HK
175.112.106.120	AS9318 SK Broadband Co Ltd	`1.74ms` from Incheon, KR
165.228.223.152	AS1221 Telstra Limited	`1.94ms` from Melbourne, AU
173.18.125.72	AS30036 Mediacom Communications Corp	`12.75ms` from Minneapolis, US

Traceroute

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

traceroute -a -n -q1 -f5 23.90.101.129

traceroute to 23.90.101.129 (23.90.101.129): 64 hops max, 52 byte packets

5 [AS1299] 62.115.141.205 4.991 ms

6 *

7 [AS23005] 66.209.64.125 5.753 ms

8 [AS23005] 66.209.64.98 5.842 ms

9 [AS23005] 66.209.68.166 6.739 ms

10 [AS16417] 68.232.134.117 5.819 ms

11 [AS16417] 68.232.134.11 5.974 ms

12 [AS16417] 23.90.101.129 5.743 ms

Measurement taken from

IPinfo ProbeNet in Los Angeles, US

On February 7th 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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