168.137.64.0/21

AS8075 · Microsoft Corporation

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Summary

Country	United States
Domain	hrblock.com
ASN	AS8075
Registry	ARIN
ID	A3-INHB-CUSTOM-PREFIX

WHOIS Details

NetHandle:      NET-168-137-64-0-1
OrgID:          C10866934
Parent:         NET-168-137-0-0-1
NetName:        A3-INHB-CUSTOM-PREFIX
NetRange:       168.137.64.0 - 168.137.71.255
NetType:        reassignment
Comment:        Comment:-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
RegDate:        2024-06-07
Updated:        2024-06-07
Source:         ARIN


OrgID:          C10866934
OrgName:        H&R Block
CanAllocate:    
Street:         One H&R Block Way
City:           Kansas City
State/Prov:     MO
Country:        US
PostalCode:     64105
RegDate:        2024-06-07
Updated:        2024-06-07
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 168.137.0.0/16

Range	ASN	Company	Num of IPs
168.137.72.0/21	AS8075	H&R Block	2,048

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

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

IP Address	ASN	Details
168.137.64.49	AS8075 Microsoft Corporation	`0.38ms` from Des Moines, 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
50.235.216.69	AS7922 Comcast Cable Communications, LLC	`1.44ms` from Atlanta, US
48.211.244.197	AS8075 Microsoft Corporation	`0.27ms` from Boydton, US
13.245.66.101	AS16509 Amazon.com, Inc.	`0.08ms` from Cape Town, ZA
124.228.156.197	AS4134 CHINANET-BACKBONE	`3.32ms` from Chenzhou, CN
198.245.242.85	AS16640 First-Citizens Bank & Trust Company	`4.02ms` from Dallas, US
73.98.108.181	AS7922 Comcast Cable Communications, LLC	`13.19ms` from Greenwood Village, US
121.198.226.5	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`6.11ms` from Hangzhou, CN
45.127.75.133	AS4758 National Informatics Centre	`1.75ms` from Hyderabad, IN
110.68.27.5	AS4766 Korea Telecom	`4.15ms` from Incheon, KR
195.189.248.213	AS35562 Kedr Ltd.	`3.49ms` from Kyiv, UA
51.94.229.101	AS16509 Amazon.com, Inc.	`5.71ms` from Madrid, ES
175.37.37.21	AS4804 Microplex PTY LTD	`2.49ms` from Melbourne, AU
144.228.100.213	AS174 Cogent Communications, LLC	`0.35ms` from New Orleans, US
148.137.120.5	AS7150 Commonwealth University of Pennsylvania	`6.66ms` from New York City, US
155.230.216.69	AS10052 Kyungpook National University	`5.69ms` from Seoul, KR
222.99.27.197	AS4766 Korea Telecom	`1.44ms` from Seoul, KR
118.37.81.69	AS4766 Korea Telecom	`1.19ms` from Seoul, KR
221.191.19.149	AS4713 NTT DOCOMO BUSINESS,Inc.	`16.10ms` from Tokyo, JP
60.42.240.213	AS4713 NTT DOCOMO BUSINESS,Inc.	`7.99ms` from Tokyo, JP
195.117.126.37	AS5617 Orange Polska Spolka Akcyjna	`5.23ms` from Warsaw, PL
188.68.94.5	AS209746 CONVEX NOVOURALSK	`1.10ms` from Yekaterinburg, RU
185.208.2.165	AS399827 2pifi, Inc	`6.47ms` from Dallas, US
54.171.120.85	AS16509 Amazon.com, Inc.	`0.16ms` from Dublin, IE
212.184.190.69	AS3320 Deutsche Telekom AG	`0.95ms` from Duesseldorf, DE
117.195.247.101	AS9829 National Internet Backbone	`6.29ms` from Kolkata, IN

Traceroute

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

traceroute -a -n -q1 -f2 -m9 168.137.68.27

traceroute to 168.137.68.27 (168.137.68.27): 9 hops max, 52 byte packets

2 [AS20278] 64.44.81.177 9.909 ms

3 [AS6939] 184.105.250.41 1.148 ms

4 *

5 [] 206.51.46.100 3.577 ms

6 [AS8075] 104.44.234.84 3.569 ms

7 *

8 *

9 *

Measurement taken from

IPinfo ProbeNet in Denver, US

On February 27th 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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