146.129.0.0/17

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 146.129.0.0/17

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

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

IP Address	ASN	Details
146.129.0.21	AS2544 King County Gov	`0.77ms` 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
145.3.253.1	AS1103 SURF B.V.	`0.69ms` from Amsterdam, NL
83.82.136.1	AS33915 Vodafone Libertel B.V.	`1.38ms` from Amsterdam, NL
122.59.120.1	AS4771 Spark New Zealand Trading Ltd.	`2.82ms` from Auckland, NZ
61.7.151.113	AS131090 National Telecom Public Company Limited	`1.98ms` from Bangkok, TH
178.253.244.177	AS9125 Drustvo za telekomunikacije Orion telekom doo Beograd-Zemun	`3.07ms` from Belgrade, RS
190.249.32.1	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`9.66ms` from Bogotá, CO
204.14.188.1	AS11776 Breezeline	`3.84ms` from Boston, US
65.17.174.1	AS19323 Holyoke Gas & Electric Department	`2.56ms` from Boston, US
108.49.184.1	AS701 Verizon Business	`2.01ms` from Boston, US
80.97.13.97	AS21294 CLOUDSYS TELECOM SRL	`0.40ms` from Bucharest, RO
87.52.47.1	AS3292 TDC Holding A/S	`4.33ms` from Copenhagen, DK
12.15.187.193	AS7018 AT&T Enterprises, LLC	`5.83ms` from Dallas, US
102.177.85.33	AS327900 Simply Computers Tanzania Ltd	`1.10ms` from Dar es Salaam, TZ
95.13.118.1	AS9121 Turk Telekomunikasyon Anonim Sirketi	`6.40ms` from Denizli, TR
218.16.179.209	AS4134 CHINANET-BACKBONE	`4.42ms` from Guangzhou, CN
120.26.147.209	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`5.10ms` from Hangzhou, CN
115.205.246.1	AS4134 CHINANET-BACKBONE	`5.54ms` from Hangzhou, CN
193.37.196.1	AS57043 HOSTKEY B.V.	`0.47ms` from Helsinki, FI
58.122.171.1	AS9318 SK Broadband Co Ltd	`1.25ms` from Incheon, KR
78.180.228.1	AS9121 Turk Telekomunikasyon Anonim Sirketi	`7.07ms` from Istanbul, TR
213.74.4.1	AS43391 Netdirekt A.S.	`0.35ms` from Izmir, TR
78.149.234.81	AS13285 TalkTalk Communications Limited	`4.71ms` from London, GB
185.126.137.129	AS212238 Datacamp Limited	`0.16ms` from London, GB
90.243.128.241	AS5378 Vodafone Limited	`4.33ms` from London, GB
76.175.80.1	AS20001 Charter Communications Inc	`6.37ms` from Los Angeles, US

Traceroute

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

traceroute -a -n -q1 -m7 146.129.99.229

traceroute to 146.129.99.229 (146.129.99.229): 7 hops max, 52 byte packets

1 [AS15169] 142.251.76.209 168.315 ms

2 [AS15169] 108.170.255.178 167.328 ms

3 [] 206.81.80.63 174.476 ms

4 [AS2544] 198.49.222.190 176.31 ms

5 *

6 *

7 *

Measurement taken from

IPinfo ProbeNet in Sydney, AU

On January 9th 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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