1. All IP Ranges
  2. 128.0.0.0/8
  3. 128.107.0.0/16
  4. AS109  | 128.107.20.0/23

128.107.20.0/23

AS109  ·  CISCO SYSTEMS, INC.

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Summary

Country United States
Domain cisco.com
ASN AS109
Parent Range 128.107.0.0/16
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
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:      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


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

Overlapping Ranges

BGP prefixes that contain 128.107.20.0/23

Range ASN Company Num of IPs
128.107.0.0/16 AS109 CISCO SYSTEMS, INC. 65,536

Nearby Ranges

BGP prefixes that overlap with 128.107.0.0/16

Range ASN Company Num of IPs
128.107.0.0/16 AS109 CISCO SYSTEMS, INC. 65,536

Hosted domains

There are no domains currently hosted on this ASN.

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
Read more

Pingable IPs

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

IP Address ASN Details
128.107.20.18 AS109 CISCO SYSTEMS, INC. 0.44ms from Tokyo, JP

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
111.203.181.23 AS4808 China Unicom Beijing Province Network 4.66ms from Beijing, CN
107.138.254.39 AS7018 AT&T Enterprises, LLC 8.86ms from Chicago, US
18.195.123.247 AS16509 Amazon.com, Inc. 0.14ms from Frankfurt am Main, DE
98.32.26.167 AS7922 Comcast Cable Communications, LLC 12.16ms from Greenwood Village, US
171.241.129.7 AS7552 Viettel Group 2.16ms from Hanoi, VN
99.44.12.103 AS7018 AT&T Enterprises, LLC 9.31ms from Houston, US
73.136.201.23 AS7922 Comcast Cable Communications, LLC 8.30ms from Houston, US
147.30.251.55 AS9198 JSC Kazakhtelecom 7.71ms from Karagandy, KZ
176.62.226.39 AS49985 IP4ISP z.s.p.o 4.12ms from Prague, CZ
49.254.5.135 AS4766 Korea Telecom 0.84ms from Seoul, KR
119.221.191.87 AS4766 Korea Telecom 6.58ms from Seoul, KR
61.171.55.231 AS4811 China Telecom (Group) 3.26ms from Shanghai, CN
24.141.224.39 AS7992 Cogeco Connexion Inc. 7.20ms from Toronto, CA
130.43.58.167 AS1241 Forthnet 2.05ms from Athens, GR
98.30.148.7 AS10796 Charter Communications Inc 13.76ms from Columbus, US
52.215.178.103 AS16509 Amazon.com, Inc. 0.22ms from Dublin, IE
191.235.163.199 AS8075 Microsoft Corporation 0.99ms from Dublin, IE
171.248.172.247 AS7552 Viettel Group 1.06ms from Ho Chi Minh City, VN
49.131.165.103 AS17924 SmarTone Mobile Communications Ltd 9.27ms from Hong Kong, HK
95.57.0.71 AS9198 JSC Kazakhtelecom 7.82ms from Karagandy, KZ
83.53.73.119 AS3352 TELEFONICA DE ESPANA S.A.U. 8.81ms from Madrid, ES
101.181.79.87 AS1221 Telstra Limited 8.69ms from Melbourne, AU
189.56.223.215 AS10429 TELEFÔNICA BRASIL S.A 0.87ms from Osasco, BR
89.86.167.71 AS5410 Bouygues Telecom SA 1.39ms from Paris, FR
182.40.103.23 AS136195 Qingdao, Shandong Province, P.R.China. 1.44ms from Qingdao, CN

Traceroute

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

$
traceroute -a -n -q1 -f5 128.107.20.193
traceroute to 128.107.20.193 (128.107.20.193): 64 hops max, 52 byte packets
5 [AS3491] 63.216.242.45 0.519 ms
6 *
7 [AS109] 128.107.20.193 1.014 ms
Measurement taken from IPinfo ProbeNet in Tokyo, JP
On

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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