Autonomous System details

AS17161

Marsh Inc. · marsh.com

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AS17161 – Marsh Inc.

Field	Value
Country	United States
Website	marsh.com
Hosted domains	839
IPv4 addresses	37,888
IPv6 addresses	0
ASN type	Hosting
Registry	arin
Allocated	26 years ago on Aug 01, 2000
Updated	3 years ago on Dec 02, 2022

Netblock	Company	Num of IPs
167.245.160.0/19	Marsh Inc.	8,192
205.156.64.0/21	Marsh Inc.	2,048
205.156.88.0/21	Marsh Inc.	2,048
205.156.104.0/21	Marsh Inc.	2,048
205.156.136.0/21	Marsh Inc.	2,048
205.156.144.0/21	Marsh Inc.	2,048
167.245.8.0/22	Marsh Inc.	1,024
167.245.12.0/22	Marsh Inc.	1,024
167.245.16.0/22	Marsh Inc.	1,024
167.245.20.0/22	Marsh Inc.	1,024
167.245.24.0/22	Marsh Inc.	1,024
167.245.28.0/22	Marsh Inc.	1,024
167.245.32.0/22	Marsh Inc.	1,024
167.245.36.0/22	Marsh Inc.	1,024
167.245.40.0/22	Marsh Inc.	1,024
167.245.104.0/22	Marsh Inc.	1,024
205.156.64.0/22	Marsh Inc.	1,024
205.156.68.0/22	Marsh Inc.	1,024
205.156.96.0/22	Marsh Inc.	1,024
205.156.104.0/22	Marsh Inc.	1,024
205.156.108.0/22	Marsh Inc.	1,024
205.156.112.0/22	Marsh Inc.	1,024
205.156.128.0/22	Marsh Inc.	1,024
205.156.152.0/22	Marsh Inc.	1,024
167.245.108.0/23	Marsh Inc.	512
205.156.100.0/23	Marsh Inc.	512
205.156.102.0/23	Marsh Inc.	512
205.156.132.0/23	Marsh Inc.	512
205.156.160.0/23	Marsh Inc.	512
167.245.3.0/24	Marsh Inc.	256
167.245.159.0/24	Marsh Inc.	256
168.168.150.0/24	Marsh & McLennan Companies, Inc.	256
168.168.200.0/24	Marsh & McLennan Companies, Inc.	256
205.156.72.0/24	Marsh Inc.	256
205.156.84.0/24	Marsh Inc.	256
205.156.117.0/24	Marsh Inc.	256
205.156.134.0/24	Marsh Inc.	256
205.156.135.0/24	Marsh Inc.	256
205.156.164.0/24	Marsh Inc.	256

There are no known IPv6 addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS17161
                                                OrgID:          AS17161
                                                ASName:         AS17161
                                                ASNumber:       AS17161
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 839 domain names hosted across 185 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
205.156.140.51	██████████	238
205.156.141.241	██████████	121
205.156.141.126	██████████	72
167.245.162.16	██████████	68
167.245.162.31	██████████	35
167.245.104.68	██████████	28
167.245.104.49	██████████	12
167.245.104.71	██████████	12
205.156.141.25	██████████	10
167.245.104.76	██████████	9

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Peers

There are 5 peers for this ASN.

Peers	Name
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS3356	Level 3 Parent, LLC
AS4826	Vocus Connect International Backbone
AS701	Verizon Business
AS7474	SingTel Optus Pty Ltd

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Upstreams

There are 5 upstreams for this ASN.

upstreams	Name
AS15830	Equinix (EMEA) Acquisition Enterprises B.V.
AS3356	Level 3 Parent, LLC
AS4826	Vocus Connect International Backbone
AS701	Verizon Business
AS7474	SingTel Optus Pty Ltd

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Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
167.245.191.252	AS17161 Marsh Inc.	`0.38ms` from Ashburn, US
205.156.152.47	AS17161 Marsh Inc.	`2.87ms` from Dallas, US
205.156.136.2	AS17161 Marsh Inc.	`2.04ms` from Dallas, US
167.245.104.225	AS17161 Marsh Inc.	`2.46ms` from Dallas, US
205.156.64.254	AS17161 Marsh Inc.	`1.14ms` from Sydney, AU
205.156.88.42	AS17161 Marsh Inc.	`0.95ms` from Melbourne, AU
167.245.3.254	AS17161 Marsh Inc.	`1.49ms` from Ashburn, US
205.156.89.13	AS17161 Marsh Inc.	`1.49ms` from Melbourne, AU
205.156.137.100	AS17161 Marsh Inc.	`1.97ms` from Dallas, 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
213.125.227.41	AS33915 Vodafone Libertel B.V.	`0.76ms` from Amsterdam, NL
73.171.14.153	AS7922 Comcast Cable Communications, LLC	`10.76ms` from Ashburn, US
203.172.234.217	AS23974 Ministry of education	`2.75ms` from Bangkok, TH
121.193.138.249	AS4538 China Education and Research Network Center	`4.20ms` from Beijing, CN
35.202.220.9	AS396982 Google LLC	`0.38ms` from Council Bluffs, US
14.236.154.217	AS45899 VNPT Corp	`7.71ms` from Da Nang, VN
149.0.7.185	AS8386 Vodafone Net Iletisim Hizmetler AS	`13.24ms` from Denizli, TR
130.131.171.89	AS8075 Microsoft Corporation	`0.17ms` from Des Moines, US
125.215.136.105	AS4515 PCCW IMS Ltd (PCCW Business Internet Access)	`1.07ms` from Hong Kong, HK
181.143.36.201	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`0.66ms` from Medellin, CO
109.205.22.105	AS206460 SIM INFORMATICA SRL	`3.63ms` from Milan, IT
188.11.115.217	AS3269 Telecom Italia S.p.A.	`5.38ms` from Milan, IT
145.255.35.201	AS15552 LLC "Real-net"	`9.04ms` from Moscow, RU
50.243.121.137	AS7922 Comcast Cable Communications, LLC	`8.06ms` from Murfreesboro, US
101.50.45.25	AS18283 Chupicom Inc.	`12.09ms` from Osaka, JP
112.232.252.105	AS4837 CHINA UNICOM China169 Backbone	`5.62ms` from Qingdao, CN
39.83.102.137	AS4837 CHINA UNICOM China169 Backbone	`7.24ms` from Qingdao, CN
112.227.8.249	AS4837 CHINA UNICOM China169 Backbone	`4.99ms` from Qingdao, CN
212.33.18.73	AS12389 PJSC Rostelecom	`12.29ms` from Samara, RU
198.7.232.249	AS14325 OSHEAN, Inc.	`0.94ms` from Secaucus, US
222.231.24.249	AS3786 LG DACOM Corporation	`0.71ms` from Seoul, KR
43.228.174.121	AS63806 Human-life Information Platforms Institute	`0.32ms` from Tokyo, JP
194.112.223.137	AS3330 eww ag	`8.25ms` from Vienna, AT
109.241.25.41	AS29314 VECTRA S.A.	`10.23ms` from Warsaw, PL
115.50.236.105	AS4837 CHINA UNICOM China169 Backbone	`2.93ms` from Zhengzhou, CN

Traceroute

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

traceroute -a -n -q1 -f2 -m14 205.156.114.159

traceroute to 205.156.114.159 (205.156.114.159): 14 hops max, 52 byte packets

2 [AS3356] 4.69.219.65 48.832 ms

3 [AS3356] 4.16.45.170 208.545 ms

4 *

5 [AS4826] 114.31.199.42 222.235 ms

6 *

7 *

8 *

9 [AS4826] 114.31.196.61 219.652 ms

10 [AS4826] 49.255.77.85 220.902 ms

11 [AS17161] 205.156.88.35 220.545 ms

12 *

13 *

14 *

Measurement taken from

IPinfo ProbeNet in Little Rock, US

On February 16th 2026

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What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS17161 at robtex.

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