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
150.125.60.152	AS668 United States Department of Defense (DoD)	`0.57ms` from Atlanta, US
97.247.166.72	AS6167 Verizon Business	`13.20ms` from Dallas, US
52.165.43.232	AS8075 Microsoft Corporation	`0.31ms` from Des Moines, US
52.169.35.136	AS8075 Microsoft Corporation	`0.23ms` from Dublin, IE
188.155.215.184	AS6730 Sunrise GmbH	`3.81ms` from Geneve, CH
183.36.117.136	AS4134 CHINANET-BACKBONE	`1.38ms` from Guangzhou, CN
80.238.176.8	AS136907 HUAWEI CLOUDS	`14.20ms` from Hong Kong, HK
64.98.217.8	AS32133 Ting Fiber Inc.	`1.25ms` from Los Angeles, US
104.179.111.88	AS7018 AT&T Enterprises, LLC	`4.69ms` from Miami, US
216.105.78.8	AS33470 Canby Telephone Association	`1.49ms` from Portland, US
183.201.221.72	AS132510 IDC ShanXi China Mobile communications corporation	`2.69ms` from Taiyuan, CN
41.200.222.24	AS36947 Telecom Algeria	`9.59ms` from Algiers, DZ
24.116.95.232	AS11492 CABLE ONE, INC.	`3.08ms` from Dallas, US
80.80.233.104	AS21217 Infrastructure Switzerland Colo Sarl	`0.82ms` from Geneve, CH
178.33.128.8	AS16276 OVH SAS	`0.05ms` from Gravelines, FR
189.162.36.40	AS8151 UNINET	`4.20ms` from Guadalajara, MX
109.206.245.232	AS138968 rainbow network limited	`1.10ms` from Hong Kong, HK
218.190.214.200	AS9304 HGC Global Communications Limited	`2.15ms` from Hong Kong, HK
14.34.197.232	AS4766 Korea Telecom	`1.94ms` from Incheon, KR
86.148.78.40	AS2856 British Telecommunications PLC	`1.51ms` from London, GB
82.52.235.168	AS3269 Telecom Italia S.p.A.	`1.56ms` from Milan, IT
34.23.184.136	AS396982 Google LLC	`0.13ms` from Moncks Corner, US
24.115.78.120	AS3737 PenTeleData Inc.	`10.03ms` from New York City, US
81.49.16.56	AS3215 Orange S.A.	`9.11ms` from Paris, FR
54.160.173.200	AS14618 Amazon.com, Inc.	`0.20ms` from Reston, US

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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