206208 looking glass

AS19577 CASTRO TELECOM LLC 🇺🇸 US

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
1,280 (5 × /24)
IPv6 prefixes
2
257 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it

Registry and operator data

AS number
AS19577
Name
CASTRO TELECOM LLC
Organisation
CASTRO TELECOM LLC
Country
🇺🇸 US
RIR
ARIN
Allocated
2024-06-14
Scope
Not Disclosed
Peering policy
Open
Website
http://tecnico.ulisboa.pt
PeeringDB
net/41864

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 4 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       19577
ASName:         CASTRO-TELECOM
ASHandle:       AS19577
RegDate:        2024-06-14
Updated:        2025-02-26
Ref:            https://rdap.arin.net/registry/autnum/19577

OrgName:        CASTRO TELECOM LLC
OrgId:          CTL-383
Address:        530-B HARKLE ROAD STE 100
City:           Santa Fe
StateProv:      NM
PostalCode:     87505
Country:        US
RegDate:        2022-12-28
Updated:        2025-08-26
Ref:            https://rdap.arin.net/registry/entity/CTL-383

OrgAbuseHandle: TOVLC-ARIN
OrgAbuseName:   Castro, Tomas Oliveira Valente Leite de
OrgAbusePhone:  +1-202-555-0109
OrgAbuseEmail:  tomas.leite.castro@tecnico.ulisboa.pt
OrgAbuseRef:    https://rdap.arin.net/registry/entity/TOVLC-ARIN

OrgNOCHandle: TOVLC-ARIN
OrgNOCName:   Castro, Tomas Oliveira Valente Leite de
OrgNOCPhone:  +1-202-555-0109
OrgNOCEmail:  tomas.leite.castro@tecnico.ulisboa.pt
OrgNOCRef:    https://rdap.arin.net/registry/entity/TOVLC-ARIN

OrgTechHandle: TOVLC-ARIN
OrgTechName:   Castro, Tomas Oliveira Valente Leite de
OrgTechPhone:  +1-202-555-0109
OrgTechEmail:  tomas.leite.castro@tecnico.ulisboa.pt
OrgTechRef:    https://rdap.arin.net/registry/entity/TOVLC-ARIN