146.129.243.0/24

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 146.129.243.0/24

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

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

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

IP Address	ASN	Details
146.129.243.107	AS2544 King County Gov	`0.63ms` from Seattle, 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
120.53.236.168	AS45090 Shenzhen Tencent Computer Systems Company Limited	`1.88ms` from Beijing, CN
96.230.93.88	AS701 Verizon Business	`2.35ms` from Boston, US
183.36.117.136	AS4134 CHINANET-BACKBONE	`1.38ms` from Guangzhou, CN
141.164.95.232	AS64267 Sprious LLC	`0.70ms` from Los Angeles, US
2.17.161.152	AS20940 Akamai International B.V.	`0.17ms` from Mombasa, KE
182.100.11.184	AS4134 CHINANET-BACKBONE	`0.51ms` from Nanchang, CN
90.110.201.56	AS3215 Orange S.A.	`5.90ms` from Paris, FR
90.110.5.232	AS3215 Orange S.A.	`4.34ms` from Paris, FR
93.123.108.248	AS210218 Open Fiber S.P.A.	`1.57ms` from Rome, IT
85.237.56.184	AS12389 PJSC Rostelecom	`8.01ms` from Samara, RU
165.232.58.72	AS14061 DigitalOcean, LLC	`0.24ms` from San Jose, US
223.219.188.232	AS4713 NTT DOCOMO BUSINESS,Inc.	`2.97ms` from Tokyo, JP
14.128.1.24	AS54994 Meteverse Limited.	`0.19ms` from Tokyo, JP
221.194.199.248	AS4837 CHINA UNICOM China169 Backbone	`10.66ms` from Beijing, CN
108.196.177.216	AS7018 AT&T Enterprises, LLC	`10.41ms` from Chicago, US
91.248.196.152	AS9145 EWE TEL GmbH	`5.29ms` from Hamburg, DE
98.181.120.8	AS32969 Everi Payments Inc.	`5.19ms` from Los Angeles, US
60.137.111.104	AS17676 SoftBank Corp.	`3.76ms` from Osaka, JP
45.129.4.24	AS49505 JSC Selectel	`1.02ms` from Saint Petersburg, RU
119.203.67.248	AS4766 Korea Telecom	`3.31ms` from Seoul, KR
60.110.226.136	AS17676 SoftBank Corp.	`3.00ms` from Tokyo, JP
92.67.176.72	AS1136 KPN B.V.	`0.47ms` from Amsterdam, NL
45.94.135.248	AS7029 Windstream Communications LLC	`0.61ms` from Ashburn, US
116.130.90.136	AS4837 CHINA UNICOM China169 Backbone	`4.97ms` from Beijing, CN
116.242.12.72	AS4847 China Networks Inter-Exchange	`4.53ms` from Beijing, CN

Traceroute

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

traceroute -a -n -q1 -f4 146.129.243.138

traceroute to 146.129.243.138 (146.129.243.138): 64 hops max, 52 byte packets

4 [] 206.81.80.63 1.599 ms

5 [AS2544] 146.129.243.138 0.908 ms

Measurement taken from

IPinfo ProbeNet in Seattle, 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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