AS19661 Susquehanna International Group, LLP 🇺🇸 US

Announcing 13 prefixes, seen at the RIS collectors.

IPv4 prefixes

124,928 (488 × /24)

IPv6 prefixes

1 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS19661
Name: Susquehanna International Group, LLP
Organisation: Susquehanna Partners
Country: 🇺🇸 US
RIR: ARIN
Allocated: 2001-01-31
Traffic levels: 5-10Gbps
Scope: Regional
Peering policy: Restrictive
Website: http://www.sig.com
PeeringDB: net/23639
Exchanges: 3
Facilities: 2

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

0 valid (0.0%) 0 invalid (0.0%) 13 no ROA (100.0%)

Whois

Fetched from whois.arin.net

ASNumber:       19661
ASName:         SUSQ-BALA
ASHandle:       AS19661
RegDate:        2001-01-31
Updated:        2026-10-14
Comment:        -----BEGIN PUBLIC KEY-----
Comment:        MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxI37ayyB6ZnhX25K48/s
Comment:        LuRq4ubhgzWR0z4zyZCxN3/khzraaiRMJ2AMy7+o20hVypqYKaM7YpM2zFYAQY3I
Comment:        shzvW/eVevjT6Zf68pRZvGvb13VKcKXS+1B13mr5pbUtSZsSVDf2Uqvra4R+jdg4
Comment:        SAXLceA3hPfXPApuWRKrkCvT2ZooTZTr31m46lgpUjKvQAbJkkUbpwn1pWx0ORN4
Comment:        XSLAWpD9oUpMtQQL0Kp8e27j1ckkIISUIlYH8c2S9gsLZfZug+MU4dbHVKvvD+1Z
Comment:        lkedJ1sbbe1kVLKhaxNdO7wHuJIFbil8ORa0Mc8OK4AFGKnZpIrZEMKJTXYQXx2X
Comment:        uQIDAQAB
Comment:        -----END PUBLIC KEY-----
Ref:            https://rdap.arin.net/registry/autnum/19661

OrgName:        Susquehanna International Group, LLP
OrgId:          SUSQUE-7
Address:        401 City Avenue
City:           Bala Cynwyd
StateProv:      PA
PostalCode:     19004
Country:        US
RegDate:        2000-06-22
Updated:        2020-08-24
Ref:            https://rdap.arin.net/registry/entity/SUSQUE-7

OrgTechHandle: BELFI-ARIN
OrgTechName:   Belfie, Frank
OrgTechPhone:  +1-610-617-2764
OrgTechEmail:  frank.belfie@sig.com
OrgTechRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN

OrgNOCHandle: NOC2081-ARIN
OrgNOCName:   Network Operations Center
OrgNOCPhone:  +1-610-617-2755
OrgNOCEmail:  backbone@sig.com
OrgNOCRef:    https://rdap.arin.net/registry/entity/NOC2081-ARIN

OrgAbuseHandle: BELFI-ARIN
OrgAbuseName:   Belfie, Frank
OrgAbusePhone:  +1-610-617-2764
OrgAbuseEmail:  frank.belfie@sig.com
OrgAbuseRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN

OrgTechHandle: JGR45-ARIN
OrgTechName:   Griner, Jeremy
OrgTechPhone:  +1-610-617-2718
OrgTechEmail:  griner@sig.com
OrgTechRef:    https://rdap.arin.net/registry/entity/JGR45-ARIN

RTechHandle: BELFI-ARIN
RTechName:   Belfie, Frank
RTechPhone:  +1-610-617-2764
RTechEmail:  frank.belfie@sig.com
RTechRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN

RAbuseHandle: BELFI-ARIN
RAbuseName:   Belfie, Frank
RAbusePhone:  +1-610-617-2764
RAbuseEmail:  frank.belfie@sig.com
RAbuseRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN

RNOCHandle: BELFI-ARIN
RNOCName:   Belfie, Frank
RNOCPhone:  +1-610-617-2764
RNOCEmail:  frank.belfie@sig.com
RNOCRef:    https://rdap.arin.net/registry/entity/BELFI-ARIN