146.129.128.0/18

AS2544 · King County Gov

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Summary

Country	United States
Domain	kingcounty.gov
ASN	AS2544
Parent Range	146.129.0.0/16
Registry	ARIN
ID	METROSEA

WHOIS Details

NetHandle:      NET-146-129-0-0-1
OrgID:          MMS-7
Parent:         NET-146-0-0-0-0
NetName:        METROSEA
NetRange:       146.129.0.0 - 146.129.255.255
NetType:        allocation
RegDate:        1991-02-08
Updated:        2021-12-14
TechHandle:     NOC2926-ARIN
AbuseHandle:    NOC2926-ARIN
NOCHandle:      NOC2926-ARIN
Source:         ARIN


OrgID:          MMS-7
OrgName:        King County Gov
CanAllocate:    
Street:         401 5th AVE
Street:         Suite 700
City:           Seattle
State/Prov:     WA
Country:        US
PostalCode:     98104
RegDate:        1991-02-08
Updated:        2018-12-12
OrgAdminHandle: NOC2926-ARIN
OrgTechHandle:  NOC2926-ARIN
OrgAbuseHandle: NOC2926-ARIN
OrgNOCHandle:   NOC2926-ARIN
Source:         ARIN


POCHandle:      NOC2926-ARIN
IsRole:         Y
LastName:       Network Operations Center
FirstName:      
Street:         401 Fifth Ave suite 0700
City:           Seattle
State/Prov:     WA
Country:        US
PostalCode:     98104
RegDate:        2008-01-09
Updated:        2025-04-21
OfficePhone:    +1-206-263-7000
Mailbox:        Jesse.Mock@kingcounty.gov
Mailbox:        noc@kingcounty.gov
Mailbox:        todd.berglund@kingcounty.gov
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 146.129.128.0/18

Range	ASN	Company	Num of IPs
146.129.0.0/16	AS2544	King County Gov	65,536

Nearby Ranges

BGP prefixes that overlap with 146.129.0.0/16

Range	ASN	Company	Num of IPs
146.129.0.0/16	AS2544	King County Gov	65,536

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

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Useful for Cybersecurity

Read more

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
67.163.135.66	AS7922 Comcast Cable Communications, LLC	`10.45ms` from Ashburn, US
76.23.252.210	AS7922 Comcast Cable Communications, LLC	`8.26ms` from Boston, US
156.196.155.34	AS8452 TE-AS	`4.50ms` from Cairo, EG
187.228.73.178	AS8151 UNINET	`14.38ms` from Cancún, MX
50.195.195.226	AS7922 Comcast Cable Communications, LLC	`13.68ms` from Chicago, US
176.93.21.226	AS16086 DNA Oyj	`10.68ms` from Helsinki, FI
119.189.99.114	AS4837 CHINA UNICOM China169 Backbone	`5.64ms` from Jinan, CN
156.38.212.130	AS37153 Xneelo (Pty) Ltd	`0.17ms` from Johannesburg, ZA
85.26.168.162	AS31133 PJSC MegaFon	`0.30ms` from Khabarovsk, RU
122.163.30.66	AS24560 Bharti Airtel Ltd., Telemedia Services	`1.62ms` from Kolkata, IN
87.31.4.34	AS3269 Telecom Italia S.p.A.	`1.74ms` from Milan, IT
79.7.84.146	AS3269 Telecom Italia S.p.A.	`4.40ms` from Milan, IT
109.63.137.82	AS12714 PJSC MegaFon	`2.19ms` from Moscow, RU
24.29.143.130	AS12271 Charter Communications Inc	`1.69ms` from New York City, US
66.59.68.178	AS4906 Frontline Communications	`1.26ms` from New York City, US
180.55.66.210	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.56ms` from Osaka, JP
88.184.143.226	AS12322 Free SAS	`9.36ms` from Paris, FR
46.167.211.2	AS16019 Vodafone Czech Republic a.s.	`6.38ms` from Prague, CZ
54.165.67.210	AS14618 Amazon.com, Inc.	`0.19ms` from Reston, US
44.220.215.2	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US
87.110.131.178	AS12578 SIA Tet	`0.68ms` from Riga, LV
189.80.53.194	AS7738 V tal	`7.41ms` from Rio de Janeiro, BR
51.16.93.66	AS16509 Amazon.com, Inc.	`2.06ms` from Rosh Ha‘Ayin, IL
182.223.10.66	AS17858 LG POWERCOMM	`2.79ms` from Seoul, KR
116.86.145.194	AS55430 Starhub Ltd	`1.09ms` from Singapore, SG

Traceroute

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

traceroute -a -n -q1 -f3 -m10 146.129.148.99

traceroute to 146.129.148.99 (146.129.148.99): 10 hops max, 52 byte packets

3 [AS134654] 175.184.238.122 15.442 ms

4 *

5 [AS9002] 87.245.234.157 195.934 ms

6 *

7 [AS2544] 198.49.222.190 203.436 ms

8 *

9 *

10 *

Measurement taken from

IPinfo ProbeNet in Bandung, ID

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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