66.211.128.0/20

AS10367 · Fibercast Corporation

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Summary

Country	United States
Domain	firstlight.net
ASN	AS10367
Parent Range	66.211.128.0/19
Registry	ARIN
ID	FIRSTLIGHT-NET-66-211-128-0-19

WHOIS Details

NetHandle:      NET-66-211-128-0-1
OrgID:          TVC-11
Parent:         NET-66-0-0-0-0
NetName:        FIRSTLIGHT-NET-66-211-128-0-19
NetRange:       66.211.128.0 - 66.211.159.255
NetType:        allocation
Comment:        https://www.firstlight.net
RegDate:        2003-12-19
Updated:        2021-03-29
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:      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


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

Overlapping Ranges

BGP prefixes that contain 66.211.128.0/20

Range	ASN	Company	Num of IPs
66.211.128.0/19	AS10367	FirstLight Fiber, Inc.	8,192
66.211.128.0/19	AS13536	FirstLight Fiber, Inc.	8,192

Nearby Ranges

BGP prefixes that overlap with 66.211.0.0/16

Range	ASN	Company	Num of IPs
66.211.192.0/18	AS7341	Velocity Network, Inc.	16,384
66.211.192.0/18	AS17125	Velocity Network, Inc.	16,384
66.211.32.0/19	AS22561	CenturyLink Communications, LLC	8,192
66.211.128.0/19	AS13536	FirstLight Fiber, Inc.	8,192
66.211.128.0/19	AS10367	FirstLight Fiber, Inc.	8,192
66.211.32.0/19	AS23447	CenturyLink Communications, LLC	8,192
66.211.96.0/20	AS4213	Evocative, Inc.	4,096
66.211.16.0/20	AS30264	Columbia Power and Water Systems	4,096
66.211.112.0/20	AS53726	neXband Communications. Inc.	4,096
66.211.0.0/20	AS17306	JAB Wireless, INC.	4,096
66.211.160.0/21	AS11643	eBay, Inc	2,048
66.211.168.0/22	AS17012	PayPal, Inc.	1,024
66.211.168.0/22	AS54113	PayPal, Inc.	1,024

Hosted domains

There are 10 domain names hosted across 8 IP addresses on this ASN. Checkout our API to access full domain hosting information.

IP Address	Domain	Domains on this IP

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

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

IP Address	ASN	Details
66.211.140.1	AS10367 Fibercast Corporation	`7.36ms` from Boston, US
66.211.135.42	AS10367 Fibercast Corporation	`2.86ms` from Boston, US
66.211.142.65	AS10367 Fibercast Corporation	`7.05ms` from Boston, US
66.211.141.161	AS10367 Fibercast Corporation	`5.63ms` from Boston, US
66.211.132.165	AS10367 Fibercast Corporation	`3.03ms` from Boston, US
66.211.130.237	AS10367 Fibercast Corporation	`3.29ms` from Boston, US
66.211.136.145	AS10367 Fibercast Corporation	`4.69ms` from Boston, US
66.211.133.129	AS10367 Fibercast Corporation	`3.35ms` from Boston, US
66.211.131.9	AS10367 Fibercast Corporation	`3.17ms` from Boston, US
66.211.128.9	AS10367 Fibercast Corporation	`5.14ms` from Boston, US
66.211.137.245	AS10367 Fibercast Corporation	`5.01ms` from Boston, US
66.211.129.26	AS10367 Fibercast Corporation	`2.98ms` from Boston, US
66.211.134.161	AS10367 Fibercast Corporation	`3.25ms` from Boston, 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
123.58.111.68	AS133119 China Unicom IP network	`4.43ms` from Beijing, CN
40.162.6.132	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	`6.53ms` from Beijing, CN
178.118.154.20	AS6848 Telenet BV	`5.37ms` from Brussels, BE
41.251.202.36	AS36903 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM	`8.29ms` from Casablanca, MA
3.125.130.212	AS16509 Amazon.com, Inc.	`0.16ms` from Frankfurt am Main, DE
37.37.216.20	AS42961 Mobile Telecommunications Company	`8.76ms` from Kuwait City, KW
110.144.24.52	AS1221 Telstra Limited	`2.97ms` from Melbourne, AU
178.167.110.20	AS21453 Flex Ltd.	`2.22ms` from Moscow, RU
58.70.199.148	AS17511 OPTAGE Inc.	`2.50ms` from Osaka, JP
193.150.133.4	AS60592 Gransy s.r.o.	`0.35ms` from Prague, CZ
121.171.67.196	AS4766 Korea Telecom	`1.12ms` from Seoul, KR
101.232.54.148	AS62387 meerfarbig GmbH & Co. KG	`2.74ms` from Shenzhen, CN
138.75.141.36	AS4773 MobileOne Ltd. Mobile/Internet Service Provider Singapore	`2.25ms` from Singapore, SG
89.17.3.36	AS34594 Telemach Hrvatska d.o.o.	`0.74ms` from Zagreb, HR
71.31.90.148	AS7029 Windstream Communications LLC	`3.21ms` from Atlanta, US
118.119.104.244	AS4134 CHINANET-BACKBONE	`3.32ms` from Chengdu, CN
62.72.82.164	AS8881 1&1 Versatel GmbH	`1.57ms` from Duesseldorf, DE
62.158.58.212	AS3320 Deutsche Telekom AG	`2.08ms` from Hamburg, DE
180.194.133.228	AS9299 Philippine Long Distance Telephone Company	`18.49ms` from Manila, PH
92.132.48.228	AS3215 Orange S.A.	`11.50ms` from Marseille, FR
206.53.184.132	AS16413 Telebermuda International Limited	`19.48ms` from New York City, US
104.19.240.52	AS13335 Cloudflare, Inc.	`0.11ms` from Porto Alegre, BR
177.220.203.20	AS25933 Vogel Soluções em Telecom e Informática S/A	`15.64ms` from Porto Alegre, BR
156.17.184.228	AS8970 Wroclaw Centre of Networking and Supercomputing	`4.12ms` from Poznan, PL
121.63.254.212	AS4134 CHINANET-BACKBONE	`5.36ms` from Wuhan, CN

Traceroute

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

traceroute -a -n -q1 66.211.134.25

traceroute to 66.211.134.25 (66.211.134.25): 64 hops max, 52 byte packets

1 [AS48825] 95.128.132.129 24.281 ms

2 [AS48825] 95.128.130.14 8.433 ms

3 *

4 *

5 *

6 *

7 [AS13536] 66.152.97.42 80.095 ms

8 [AS13536] 66.152.97.98 84.488 ms

9 [AS10367] 66.211.134.25 86.001 ms

Measurement taken from

IPinfo ProbeNet in St Ives, GB

On October 30th 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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