72.57.1.0/24

AS394056  ·  BIF IV

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Summary

Country United States
Domain intrepidfiber.com
ASN AS394056
Registry ARIN
ID BIIOL

WHOIS Details

NetHandle:      NET-72-57-0-0-1
OrgID:          BIIOL
Parent:         NET-72-0-0-0-0
NetName:        BIIOL
NetRange:       72.57.0.0 - 72.57.31.255
NetType:        allocation
Comment:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
RegDate:        2025-07-30
Updated:        2026-02-24
Source:         ARIN


OrgID:          BIIOL
OrgName:        BIF IV
CanAllocate:    
Street:         251 Little Falls Drive
City:           Wilmington
State/Prov:     DE
Country:        US
PostalCode:     19808
RegDate:        2022-09-08
Updated:        2023-12-12
OrgAdminHandle: BIAA-ARIN
OrgTechHandle:  BIAA-ARIN
OrgAbuseHandle: BIAA-ARIN
OrgNOCHandle:   BIAA-ARIN
OrgRoutingHandle:   BIAA-ARIN
OrgDNSHandle:   BIAA-ARIN
Source:         ARIN


POCHandle:      BIAA-ARIN
IsRole:         Y
LastName:       BIF IV ARIN Admin
FirstName:      
Street:         11001 W 120th Ave #315
City:           Broomfield
State/Prov:     CO
Country:        US
PostalCode:     80021
RegDate:        2023-11-17
Updated:        2026-01-22
OfficePhone:    +1-720-680-3200
Mailbox:        admin@intrepidfiber.com
Source:         ARIN

Nearby Ranges

BGP prefixes that overlap with 72.57.0.0/16

Range ASN Company Num of IPs
72.57.128.0/17 AS9908 SKYLINE NETWORKS COMPANY LIMITED 32,768
72.57.112.0/20 AS6079 Flux Telecom, LLC 4,096
72.57.128.0/22 AS3491 PCCW Global, Inc. 1,024
72.57.180.0/24 AS202736 WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD 256
72.57.165.0/24 AS202736 WISDOM CLOUD INTERNET TECHNOLOGY PTE. LTD 256
72.57.134.0/24 AS3491 PCCW Global, Inc. 256

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

Pingable IPs

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

IP Address ASN Details
72.57.1.129 AS394056 BIF IV 0.81ms from San Diego, 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
44.255.24.56 AS16509 Amazon.com, Inc. 0.18ms from Boardman, US
220.192.175.152 AS4837 CHINA UNICOM China169 Backbone 3.45ms from Chongqing, CN
110.226.119.24 AS24560 Bharti Airtel Ltd., Telemedia Services 8.88ms from Delhi, IN
93.225.73.8 AS3320 Deutsche Telekom AG 2.43ms from Duesseldorf, DE
91.36.114.248 AS3320 Deutsche Telekom AG 4.98ms from Duesseldorf, DE
137.220.112.200 AS56478 Hyperoptic Ltd 1.09ms from Manchester, GB
35.181.159.104 AS16509 Amazon.com, Inc. 0.17ms from Paris, FR
193.49.239.248 AS2200 Renater 9.76ms from Saint-Denis, FR
47.7.29.56 AS20115 Charter Communications LLC 17.34ms from Seattle, US
165.155.104.40 AS21704 New York City Board of Education 0.76ms from Secaucus, US
74.39.177.184 AS5650 Frontier Communications of America, Inc. 8.21ms from Secaucus, US
165.154.203.232 AS142002 Scloud Pte Ltd 0.32ms from Singapore, SG
1.161.26.216 AS3462 Data Communication Business Group 0.85ms from Taipei, TW
69.154.19.72 AS7018 AT&T Enterprises, LLC 8.12ms from Atlanta, US
199.21.168.136 AS12273 Transunion Interactive, Inc. 2.06ms from Chicago, US
208.47.211.248 AS26840 Advanced Business Group, LLC 2.78ms from Chicago, US
99.112.160.8 AS7018 AT&T Enterprises, LLC 7.55ms from Dallas, US
73.231.116.104 AS7922 Comcast Cable Communications, LLC 4.27ms from Fremont, US
118.33.121.232 AS4766 Korea Telecom 1.17ms from Incheon, KR
18.133.192.56 AS16509 Amazon.com, Inc. 0.20ms from London, GB
185.206.78.40 AS206657 Jose Leon Alvarez 5.08ms from Madrid, ES
76.68.41.24 AS577 Bell Canada 5.83ms from Montreal, CA
54.226.213.56 AS14618 Amazon.com, Inc. 0.36ms from Reston, US
191.58.62.168 AS4230 CLARO S.A. 15.50ms from Sao Paulo, BR
176.58.251.24 AS25472 Nova Telecommunications & Media Single Member S.A 5.52ms from Sofia, BG

Traceroute

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

$
traceroute -a -n -q1 -f3 72.57.1.8
traceroute to 72.57.1.8 (72.57.1.8): 64 hops max, 52 byte packets
6 *
7 [AS6461] 64.124.234.65 2.891 ms
8 [AS394056] 72.57.1.8 1.179 ms
Measurement taken from IPinfo ProbeNet in San Diego, US
On

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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