128.107.18.0/23

AS109 · CISCO SYSTEMS, INC.

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Summary

Country	United States
Domain	cisco.com
ASN	AS109
Registry	ARIN
ID	CISCO-PRNET1

WHOIS Details

NetHandle:      NET-128-107-0-0-1
OrgID:          CS-2831
Parent:         NET-128-0-0-0-0
NetName:        CISCO-PRNET1
NetRange:       128.107.0.0 - 128.107.255.255
NetType:        allocation
OriginAS:       109
Comment:        Geofeed https://www.cisco.com/web/automation/CiscoAS109_geoip.csv
RegDate:        1986-02-05
Updated:        2024-03-08
Source:         ARIN


OrgID:          CS-2831
OrgName:        CISCO SYSTEMS, INC.
CanAllocate:    
Street:         251 LITTLE FALLS DRIVE
City:           WILMINGTON
State/Prov:     DE
Country:        US
PostalCode:     19808
RegDate:        2023-06-07
Updated:        2024-02-16
OrgAdminHandle: GATC-ARIN
OrgTechHandle:  GATC-ARIN
OrgAbuseHandle: CISCO6-ARIN
OrgNOCHandle:   GATC-ARIN
Source:         ARIN


POCHandle:      CISCO6-ARIN
IsRole:         Y
LastName:       Cisco CSIRT
FirstName:      
Street:         7025 Kit Creek Road
City:           Research Triangle Park
State/Prov:     NC
Country:        US
PostalCode:     27709
RegDate:        2024-02-16
Updated:        2025-03-04
OfficePhone:    +1-408-527-3227
Mailbox:        csirt-notify@cisco.com
Source:         ARIN


POCHandle:      GATC-ARIN
IsRole:         Y
LastName:       GIS ARIN Technical Contact
FirstName:      
Street:         170 West Tasman Dr.
City:           San Jose
State/Prov:     CA
Country:        US
PostalCode:     95134
RegDate:        2012-05-20
Updated:        2025-03-25
OfficePhone:    +1-408-526-8888
Mailbox:        arin-tech@cisco.com
Mailbox:        cidr-block-admins@cisco.com
Source:         ARIN

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

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

IP Address	ASN	Details
128.107.18.102	AS109 CISCO SYSTEMS, INC.	`0.67ms` from Singapore, SG

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
111.223.59.23	AS23884 Proen Corp Public Company Limited.	`0.28ms` from Bangkok, TH
54.148.6.103	AS16509 Amazon.com, Inc.	`0.18ms` from Boardman, US
89.23.238.151	AS42541 Fiberby ApS	`0.57ms` from Copenhagen, DK
66.137.140.103	AS7018 AT&T Enterprises, LLC	`1.01ms` from Dallas, US
66.170.129.231	AS3356 Level 3 Parent, LLC	`0.95ms` from Detroit, US
113.181.246.231	AS45899 VNPT Corp	`3.66ms` from Hanoi, VN
84.15.5.167	AS13194 Bite IP Network	`0.24ms` from Riga, LV
168.62.19.247	AS8075 Microsoft Corporation	`1.33ms` from San Jose, US
113.26.44.23	AS4134 CHINANET-BACKBONE	`2.96ms` from Taiyuan, CN
99.16.147.39	AS7018 AT&T Enterprises, LLC	`2.40ms` from Dallas, US
14.169.93.215	AS45899 VNPT Corp	`1.56ms` from Ho Chi Minh City, VN
151.224.3.183	AS5607 Sky UK Limited	`1.59ms` from London, GB
187.200.93.231	AS8151 UNINET	`8.37ms` from Mexico City, MX
71.187.90.23	AS701 Verizon Business	`1.91ms` from Newark, US
173.70.57.151	AS701 Verizon Business	`3.10ms` from Newark, US
180.147.109.55	AS17511 OPTAGE Inc.	`1.86ms` from Osaka, JP
54.233.160.119	AS16509 Amazon.com, Inc.	`0.15ms` from Osasco, BR
80.212.37.247	AS2119 Telenor Norge AS	`19.07ms` from Oslo, NO
170.104.149.23	AS1798 State of Oregon	`2.28ms` from Portland, US
184.23.21.183	AS46375 Sonic Telecom LLC	`1.65ms` from San Jose, US
175.249.75.167	AS4766 Korea Telecom	`7.08ms` from Seoul, KR
118.220.239.39	AS9318 SK Broadband Co Ltd	`3.64ms` from Seoul, KR
202.105.123.231	AS4134 CHINANET-BACKBONE	`2.46ms` from Shenzhen, CN
52.196.235.183	AS16509 Amazon.com, Inc.	`0.19ms` from Tokyo, JP
87.207.105.7	AS9141 P4 Sp. z o.o.	`12.49ms` from Warsaw, PL

Traceroute

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

traceroute -a -n -q1 -f2 128.107.18.10

traceroute to 128.107.18.10 (128.107.18.10): 64 hops max, 52 byte packets

2 [AS174] 154.18.35.200 0.849 ms

3 *

4 [AS174] 154.18.17.58 1.146 ms

5 [AS4657] 203.118.6.242 0.534 ms

6 [AS109] 128.107.18.10 1.237 ms

Measurement taken from

IPinfo ProbeNet in Singapore, SG

On August 28th 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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