204.84.80.0/20

AS81 · MCNC

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Summary

Country	United States
Domain	mcnc.org
ASN	AS81
Parent Range	204.84.0.0/15
Registry	ARIN
ID	NCREN-CIDR3

WHOIS Details

NetHandle:      NET-204-84-0-0-1
OrgID:          MCNC-Z
Parent:         NET-204-0-0-0-0
NetName:        NCREN-CIDR3
NetRange:       204.84.0.0 - 204.85.255.255
NetType:        allocation
RegDate:        1994-06-30
Updated:        2021-06-29
TechHandle:     NH34-ORG-ARIN
Source:         ARIN


OrgID:          MCNC-Z
OrgName:        MCNC
CanAllocate:    
Street:         3021 E. Cornwallis Rd
City:           Durham
State/Prov:     NC
Country:        US
PostalCode:     27713-2852
RegDate:        2021-06-14
Updated:        2025-02-13
OrgAdminHandle: NH34-ORG-ARIN
OrgTechHandle:  NCREN-ARIN
OrgTechHandle:  NH34-ORG-ARIN
OrgAbuseHandle: ABUSE3348-ARIN
Source:         ARIN


POCHandle:      NH34-ORG-ARIN
IsRole:         Y
LastName:       NCREN Hostmaster
FirstName:      
Street:         3021 E. Cornwallis Road
Street:         Building 3
City:           Durham
State/Prov:     NC
Country:        US
PostalCode:     27713-2852
RegDate:        1970-01-01
Updated:        2025-02-12
OfficePhone:    +1-919-248-4111
FaxPhone:       +1-919-248-1405
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      NCREN-ARIN
IsRole:         Y
LastName:       NCREN Hostmaster
FirstName:      
Street:         3021 Cornwallis Road
Street:         Building 3
City:           Durham
State/Prov:     NC
Country:        US
PostalCode:     27713-2852
RegDate:        2019-06-20
Updated:        2025-02-12
OfficePhone:    +1-919-248-4111
FaxPhone:       +1-919-248-1405
Mailbox:        [email protected]
Source:         ARIN


POCHandle:      ABUSE3348-ARIN
IsRole:         Y
LastName:       Abuse Contact
FirstName:      
Street:         3021 E. Cornwallis Rd.
Street:         Building 3
City:           Durham
State/Prov:     NC
Country:        US
PostalCode:     27713-2852
RegDate:        2012-02-21
Updated:        2025-02-12
OfficePhone:    +1-919-248-4111
Mailbox:        [email protected]
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 204.84.80.0/20

Range	ASN	Company	Num of IPs
204.84.0.0/15	AS11442	MCNC	131,072
204.84.0.0/15	AS20197	MCNC	131,072
204.84.0.0/15	AS6559	MCNC	131,072
204.84.0.0/15	AS81	MCNC	131,072

Nearby Ranges

BGP prefixes that overlap with 204.84.0.0/16

Range	ASN	Company	Num of IPs
204.84.0.0/15	AS11442	MCNC	131,072
204.84.0.0/15	AS20197	MCNC	131,072
204.84.0.0/15	AS6559	MCNC	131,072
204.84.0.0/15	AS81	MCNC	131,072
204.84.252.0/22	AS36850	University of North Carolina at Chapel Hill	1,024
204.84.8.0/22	AS36850	University of North Carolina at Chapel Hill	1,024

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

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

IP Address	ASN	Details
204.84.81.235	AS81 MCNC	`10.94ms` from Ashburn, US
204.84.90.254	AS81 MCNC	`6.99ms` from Ashburn, US
204.84.83.2	AS81 MCNC	`11.03ms` from Reston, 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
156.205.222.180	AS8452 TE-AS	`4.33ms` from Cairo, EG
199.180.20.4	AS31801 Baptist Healthcare System	`9.54ms` from Chicago, US
217.252.221.68	AS3320 Deutsche Telekom AG	`9.20ms` from Frankfurt am Main, DE
4.184.234.196	AS8075 Microsoft Corporation	`0.27ms` from Frankfurt am Main, DE
91.19.139.164	AS3320 Deutsche Telekom AG	`3.40ms` from Hamburg, DE
175.143.246.164	AS4788 TM TECHNOLOGY SERVICES SDN. BHD.	`2.28ms` from Kuala Lumpur, MY
14.2.177.180	AS4739 Internode Pty Ltd	`13.19ms` from Melbourne, AU
104.196.8.20	AS396982 Google LLC	`0.16ms` from Moncks Corner, US
74.78.202.84	AS11351 Charter Communications Inc	`19.38ms` from New York City, US
137.99.81.196	AS13796 University of Connecticut	`6.62ms` from New York City, US
36.24.97.116	AS4134 CHINANET-BACKBONE	`4.80ms` from Ningbo, CN
179.97.152.20	AS19182 TELEFÔNICA BRASIL S.A	`2.22ms` from Osasco, BR
91.167.181.84	AS12322 Free SAS	`1.91ms` from Paris, FR
178.69.43.148	AS12389 PJSC Rostelecom	`1.40ms` from Saint Petersburg, RU
140.233.185.100	AS211439 Jurgita Jurgaitiene trading as LOCOTORPI	`0.15ms` from Sofia, BG
126.120.172.20	AS17676 SoftBank Corp.	`3.87ms` from Tokyo, JP
151.115.44.68	AS12876 SCALEWAY S.A.S.	`0.41ms` from Warsaw, PL
184.15.26.148	AS5650 Frontier Communications of America, Inc.	`10.52ms` from Ashburn, US
174.103.202.84	AS10796 Charter Communications Inc	`9.78ms` from Chicago, US
50.50.117.36	AS5650 Frontier Communications of America, Inc.	`7.03ms` from Chicago, US
90.185.54.164	AS203953 Hiper A/S	`1.37ms` from Copenhagen, DK
174.28.66.100	AS209 CenturyLink Communications, LLC	`9.58ms` from Denver, US
62.157.121.68	AS3320 Deutsche Telekom AG	`0.70ms` from Frankfurt am Main, DE
43.198.82.180	AS16509 Amazon.com, Inc.	`0.34ms` from Hong Kong, HK
47.243.129.164	AS45102 Alibaba (US) Technology Co., Ltd.	`0.64ms` from Hong Kong, HK

Traceroute

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

traceroute -a -n -q1 -m6 204.84.92.128

traceroute to 204.84.92.128 (204.84.92.128): 6 hops max, 52 byte packets

1 [AS4837] 122.114.171.254 0.322 ms

2 *

3 [AS4837] 218.28.198.221 2.356 ms

4 *

5 *

6 *

Measurement taken from

IPinfo ProbeNet in Zhengzhou, CN

On January 30th 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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