129.34.120.0/24

AS27530 · IBM

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Summary

Country	United States
Domain	ibm.com
ASN	AS27530
Parent Range	129.34.0.0/16
Registry	ARIN
ID	IBM-WATSON

WHOIS Details

NetHandle:      NET-129-34-0-0-1
OrgID:          IBM-1-Z
Parent:         NET-129-0-0-0-0
NetName:        IBM-WATSON
NetRange:       129.34.0.0 - 129.34.255.255
NetType:        allocation
RegDate:        1988-11-15
Updated:        2023-11-02
Source:         ARIN


OrgID:          IBM-1-Z
OrgName:        IBM
CanAllocate:    
Street:         3039 Cornwallis Road
City:           Research Triangle Park
State/Prov:     NC
Country:        US
PostalCode:     27709-2195
RegDate:        2020-05-06
Updated:        2026-01-09
OrgAdminHandle: RAIN-ARIN
OrgTechHandle:  RAIN-ARIN
OrgAbuseHandle: RAIN-ARIN
Source:         ARIN


POCHandle:      RAIN-ARIN
IsRole:         Y
LastName:       Registrar Authority, Internet numbers
FirstName:      
Street:         3039 Cornwallis Road
City:           Research Triangle Park
State/Prov:     NC
Country:        US
PostalCode:     27709-2195
RegDate:        2006-09-07
Updated:        2025-07-15
OfficePhone:    +1-512-308-4534
OfficePhone:    +1-800-426-7378
Mailbox:        ipreg@us.ibm.com
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 129.34.120.0/24

Range	ASN	Company	Num of IPs
129.34.0.0/16	AS1747	IBM	65,536
129.34.0.0/16	AS27530	IBM	65,536

Nearby Ranges

BGP prefixes that overlap with 129.34.0.0/16

Range	ASN	Company	Num of IPs
129.34.0.0/16	AS1747	IBM	65,536
129.34.0.0/16	AS27530	IBM	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

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

IP Address	ASN	Details
129.34.120.97	AS27530 IBM	`1.21ms` from New York City, 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
31.160.118.168	AS1136 KPN B.V.	`0.51ms` from Amsterdam, NL
5.186.54.232	AS44869 FIBIA P/S	`3.32ms` from Copenhagen, DK
186.227.121.8	AS52561 GFOUR TELECOM	`8.73ms` from Curitiba, BR
87.36.206.8	AS1213 ASIERA TECHNOLOGY SERVICES CLG	`5.89ms` from Dublin, IE
3.249.194.56	AS16509 Amazon.com, Inc.	`0.53ms` from Dublin, IE
183.3.205.216	AS4134 CHINANET-BACKBONE	`2.66ms` from Guangzhou, CN
113.58.169.72	AS4837 CHINA UNICOM China169 Backbone	`17.60ms` from Guangzhou, CN
193.175.188.216	AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	`5.37ms` from Hamburg, DE
111.126.200.120	AS4134 CHINANET-BACKBONE	`1.88ms` from Hohhot, CN
61.254.13.184	AS9318 SK Broadband Co Ltd	`1.35ms` from Incheon, KR
94.63.127.248	AS12353 Vodafone Portugal	`1.92ms` from Lisbon, PT
81.151.75.200	AS2856 British Telecommunications PLC	`2.78ms` from London, GB
75.128.234.120	AS20115 Charter Communications LLC	`7.16ms` from Minneapolis, US
217.227.145.168	AS3320 Deutsche Telekom AG	`4.36ms` from Nuernberg, DE
220.151.24.232	AS17506 ARTERIA Networks Corporation	`3.51ms` from Osaka, JP
81.56.98.232	AS29447 SCALEWAY S.A.S.	`1.89ms` from Rome, IT
54.38.116.104	AS16276 OVH SAS	`0.07ms` from Roubaix, FR
128.83.104.72	AS18 University of Texas at Austin	`5.09ms` from San Antonio, US
13.95.234.200	AS8075 Microsoft Corporation	`0.25ms` from Amsterdam, NL
91.177.91.8	AS5432 Proximus NV	`2.35ms` from Brussels, BE
128.205.44.40	AS3685 State University of New York at Buffalo	`1.35ms` from Buffalo, US
162.158.141.56	AS13335 Cloudflare, Inc.	`1.89ms` from Delhi, IN
140.246.225.136	AS58519 Cloud Computing Corporation	`0.28ms` from Guiyang, CN
45.141.252.24	AS59790 Marco Bungalski GmbH	`3.22ms` from Hamburg, DE
171.60.209.232	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`2.86ms` from Kolkata, IN

Traceroute

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

traceroute -a -n -q1 -f3 129.34.120.97

traceroute to 129.34.120.97 (129.34.120.97): 64 hops max, 52 byte packets

3 [AS3257] 63.141.223.145 0.53 ms

4 *

5 *

6 *

7 [AS27530] 129.34.120.97 1.676 ms

Measurement taken from

IPinfo ProbeNet in New York City, US

On January 19th 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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