AS number details

AS19577

CASTRO TELECOM LLC  ·  castrotelecom.net

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AS19577 – CASTRO TELECOM LLC

Field Value
Country United States
Website castrotelecom.net
Hosted domains 0
Number of IPv4 1,536
Number of IPv6 0
ASN type ISP
Registry arin
Allocated a year ago on Jun 14, 2024
Updated 6 months ago on Feb 26, 2025
Netblock Company Num of IPs
208.85.10.0/24 CASTRO TELECOM LLC 256
208.85.11.0/24 CASTRO TELECOM LLC 256
208.85.8.0/24 CASTRO TELECOM LLC 256
208.85.9.0/24 CASTRO TELECOM LLC 256
46.202.33.0/24 US ISP 256
46.202.40.0/24 US ISP 256

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS19577
                                                OrgID:          AS19577
                                                ASName:         AS19577
                                                ASNumber:       AS19577
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are no domains currently hosted on this ASN.

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Useful for Cybersecurity

Peers

There are 2 peers for this ASN.

Peers Name
AS200454 Tomas Oliveira Valente Leite de Castro
AS34927 iFog GmbH
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS200454 Tomas Oliveira Valente Leite de Castro
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Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS200454 Tomas Oliveira Valente Leite de Castro
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Pingable IPs

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

IP Address ASN Details
208.85.9.69 AS19577 CASTRO TELECOM LLC 130.04ms from Kansas City, US
208.85.11.254 AS19577 CASTRO TELECOM LLC 130.09ms from Kansas City, US
46.202.33.63 AS19577 CASTRO TELECOM LLC 130.08ms from Kansas City, US
46.202.40.134 AS19577 CASTRO TELECOM LLC 130.10ms from Kansas City, US
208.85.10.74 AS19577 CASTRO TELECOM LLC 129.90ms from Kansas City, US
208.85.8.23 AS19577 CASTRO TELECOM LLC 0.33ms from Kansas 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
31.149.82.25 AS1136 KPN B.V. 1.69ms from Amsterdam, NL
212.205.175.105 AS6799 Ote SA (Hellenic Telecommunications Organisation) 1.25ms from Athens, GR
141.105.81.105 AS24634 Transmog Inc S.A.L 1.93ms from Beirut, LB
140.192.181.89 AS20130 Depaul University 2.30ms from Chicago, US
117.239.8.153 AS9829 National Internet Backbone 1.44ms from Delhi, IN
171.244.18.249 AS7552 Viettel Group 0.71ms from Ho Chi Minh City, VN
16.162.28.121 AS16509 Amazon.com, Inc. 0.14ms from Hong Kong, HK
59.45.213.185 AS4134 CHINANET-BACKBONE 0.27ms from Liaoyang, CN
161.132.183.201 AS3132 Red Cientifica Peruana 0.44ms from Lima, PE
172.102.92.201 AS5650 Frontier Communications of America, Inc. 0.62ms from Los Angeles, US
51.219.113.249 AS31655 Gamma Telecom Holdings Ltd 1.20ms from Manchester, GB
203.221.161.57 AS7545 TPG Telecom Limited 1.43ms from Melbourne, AU
46.216.163.137 AS25106 Mobile TeleSystems JLLC 18.75ms from Minsk, BY
60.110.108.9 AS17676 SoftBank Corp. 3.84ms from Osaka, JP
213.215.9.25 AS13193 KEYYO SA 1.30ms from Paris, FR
20.99.223.105 AS8075 Microsoft Corporation 0.37ms from Quincy, US
65.206.234.217 AS701 Verizon Business 2.67ms from San Jose, US
74.90.106.217 AS6128 Cablevision Systems Corp. 7.17ms from Secaucus, US
115.88.88.41 AS3786 LG DACOM Corporation 1.46ms from Seoul, KR
125.154.136.217 AS4766 Korea Telecom 2.19ms from Seoul, KR
222.239.173.233 AS9318 SK Broadband Co Ltd 1.46ms from Seoul, KR
47.103.235.57 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. 2.66ms from Shanghai, CN
94.145.189.169 AS9158 Telenor A/S 10.16ms from Skanderborg, DK
195.158.108.121 AS15735 GO p.l.c. 0.92ms from Swieqi, MT
218.206.219.9 AS24445 Henan Mobile Communications Co.,Ltd 12.66ms from Taiyuan, CN

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 208.85.11.86
traceroute to 208.85.11.86 (208.85.11.86): 6 hops max, 52 byte packets
2 [AS47447] 212.83.33.9 0.412 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Frankfurt am Main, DE
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS19577 at robtex.

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