66.186.176.0/24

AS21547 · FirstLight Fiber, Inc.

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Summary

Country	United States
Domain	firstlight.net
ASN	AS21547
Parent Range	66.186.160.0/19
Registry	ARIN
ID	OXFORD-NET-66-186-160-0-19

WHOIS Details

NetHandle:      NET-66-186-160-0-1
OrgID:          TVC-11
Parent:         NET-66-0-0-0-0
NetName:        OXFORD-NET-66-186-160-0-19
NetRange:       66.186.160.0 - 66.186.191.255
NetType:        allocation
RegDate:        2001-11-08
Updated:        2012-03-02
Source:         ARIN


OrgID:          TVC-11
OrgName:        FirstLight Fiber, Inc.
CanAllocate:    
Street:         12 Metro Park Road
City:           Albany
State/Prov:     NY
Country:        US
PostalCode:     12205
RegDate:        2004-09-27
Updated:        2024-12-17
OrgAdminHandle: IA93-ARIN
OrgTechHandle:  IA93-ARIN
OrgAbuseHandle: ABUSE719-ARIN
OrgNOCHandle:   NOC1665-ARIN
OrgDNSHandle:   HDP11-ARIN
Source:         ARIN


POCHandle:      ABUSE719-ARIN
IsRole:         Y
LastName:       Abuse
FirstName:      
Street:         12 Metro Park Road
City:           Albany
State/Prov:     NY
Country:        US
PostalCode:     12205
RegDate:        2004-09-22
Updated:        2024-12-17
OfficePhone:    +1-518-694-8790
Mailbox:        ipabuse@firstlight.net
Source:         ARIN


POCHandle:      NOC1665-ARIN
IsRole:         Y
LastName:       NOC
FirstName:      
Street:         12 Metro Park Road
City:           Albany
State/Prov:     NY
Country:        US
PostalCode:     12205
RegDate:        2004-09-22
Updated:        2024-12-17
OfficePhone:    +1-518-694-8790
Mailbox:        noc@firstlight.net
Mailbox:        repair@firstlight.net
Source:         ARIN


POCHandle:      IA93-ARIN
IsRole:         Y
LastName:       IP Admin
FirstName:      
Street:         12 Metro Park Road
City:           Albany
State/Prov:     NY
Country:        US
PostalCode:     12205
RegDate:        2001-05-23
Updated:        2024-12-17
OfficePhone:    +1-518-694-8790
Mailbox:        ip-admin@firstlight.net
Source:         ARIN

Overlapping Ranges

BGP prefixes that contain 66.186.176.0/24

Range	ASN	Company	Num of IPs
66.186.160.0/19	AS21547	FirstLight Fiber, Inc.	8,192

Nearby Ranges

BGP prefixes that overlap with 66.186.0.0/16

Range	ASN	Company	Num of IPs
66.186.32.0/19	AS35908	Krypt Technologies	8,192
66.186.64.0/19	AS5690	Vianet Inc.	8,192
66.186.224.0/19	AS5009	REV	8,192
66.186.32.0/19	AS4213	Krypt Technologies	8,192
66.186.160.0/19	AS21547	FirstLight Fiber, Inc.	8,192
66.186.32.0/19	AS40891	Krypt Technologies	8,192
66.186.128.0/20	AS11951	Lan2Wan, Inc.	4,096
66.186.208.0/20	AS393552	Longmont Power & Communications	4,096
66.186.96.0/20	AS40702	Clearwave Communications	4,096
66.186.144.0/20	AS5078	Oklahoma State University	4,096
66.186.64.0/22	AS5690	Vianet Internet Solutions	1,024
66.186.200.0/22	AS393552	Longmont Power & Communications	1,024
66.186.192.0/23	AS19151	BroadbandONE, LLC	512
66.186.198.0/23	AS21183	Vodafone Albania Sh.A.	512
66.186.207.0/24	AS22639	Cooptel Coop de Telecommunication	256
66.186.206.0/24	AS30071	BroadbandONE, LLC	256
66.186.43.0/24	AS35908	SDI Media Group	256
66.186.177.0/24	AS401728	First Commonwealth Federal Credit Union	256
66.186.61.0/24	AS401092	El Segundo Unified School District	256
66.186.167.0/24	AS13536	TCC Networks	256

Hosted domains

There is 1 domain name hosted across 1 IP address on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP
66.186.176.239	thetowernet.com	1

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

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

IP Address	ASN	Details
66.186.176.1	AS21547 FirstLight Fiber, Inc.	`12.21ms` from New York City, 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
108.92.165.152	AS7018 AT&T Enterprises, LLC	`2.94ms` from Atlanta, US
188.27.253.184	AS8708 DIGI ROMANIA S.A.	`2.21ms` from Bucharest, RO
54.73.106.104	AS16509 Amazon.com, Inc.	`0.17ms` from Dublin, IE
14.252.136.120	AS45899 VNPT Corp	`5.16ms` from Ho Chi Minh City, VN
67.191.39.200	AS7922 Comcast Cable Communications, LLC	`7.06ms` from Miami, US
115.202.11.104	AS4134 CHINANET-BACKBONE	`8.47ms` from Ningbo, CN
34.91.46.136	AS396982 Google LLC	`0.15ms` from Oudeschip, NL
39.81.82.200	AS4837 CHINA UNICOM China169 Backbone	`10.98ms` from Qingdao, CN
52.183.88.184	AS8075 Microsoft Corporation	`0.29ms` from Quincy, US
188.243.74.232	AS35807 SkyNet Ltd.	`0.60ms` from Saint Petersburg, RU
112.186.129.120	AS4766 Korea Telecom	`3.52ms` from Seoul, KR
211.172.141.168	AS9318 SK Broadband Co Ltd	`7.71ms` from Seoul, KR
116.121.211.104	AS9318 SK Broadband Co Ltd	`2.09ms` from Seoul, KR
85.230.17.40	AS8434 Telenor Sverige AB	`3.98ms` from Stockholm, SE
74.125.19.184	AS15169 Google LLC	`0.45ms` from Toronto, CA
46.71.101.184	AS12297 Telecom Armenia AS	`1.32ms` from Yerevan, AM
185.240.29.8	AS56898 Private Host BV	`0.21ms` from Amsterdam, NL
136.22.226.8	AS36492 Google, LLC	`1.17ms` from Chicago, US
69.1.224.248	AS398025 Cumberland Connect	`16.45ms` from Chicago, US
67.175.73.72	AS7922 Comcast Cable Communications, LLC	`5.21ms` from Chicago, US
18.217.155.152	AS16509 Amazon.com, Inc.	`0.15ms` from Columbus, US
89.150.150.8	AS203953 Hiper A/S	`1.27ms` from Copenhagen, DK
34.170.56.232	AS396982 Google LLC	`0.12ms` from Council Bluffs, US
20.9.105.8	AS8075 Microsoft Corporation	`0.18ms` from Des Moines, US
87.151.223.216	AS3320 Deutsche Telekom AG	`3.38ms` from Duesseldorf, DE

Traceroute

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

traceroute -a -n -q1 -f3 66.186.176.1

traceroute to 66.186.176.1 (66.186.176.1): 64 hops max, 52 byte packets

3 [] 198.32.160.59 1.228 ms

4 [AS13536] 66.152.98.9 5.055 ms

5 [AS13536] 66.152.97.14 4.456 ms

6 [AS13536] 66.152.97.21 6.936 ms

7 [AS13536] 66.152.98.250 11.26 ms

8 [AS13536] 66.152.98.198 11.304 ms

9 [AS21547] 72.12.70.66 14.763 ms

10 [AS21547] 72.12.70.186 12.371 ms

11 [AS21547] 66.186.176.1 12.252 ms

Measurement taken from

IPinfo ProbeNet in New York City, US

On October 17th 2025

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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