AS203724 — MGG4-AS1 Musarubra Germany GmbH

AS203724 announces 34 IPv4 prefixes covering 24,320 addresses and 1 IPv6 prefixes.

About this network

The AS handle MGG4-AS1 is held by Skyhigh Security.

What it's used for

• The address space carries security infrastructure, evidenced by netnames SSL-1133 and MXL1 registered to SKYHIGH SECURITY LLC.
• The AS announces 24320 IPv4 addresses across 34 prefixes and 2 IPv6 prefixes, with 200 observed neighbours, indicating a transit or peering-heavy role for a business network.
• Traffic from this AS consists of web/API endpoints and security services, as Skyhigh Security provides cloud-based threat intelligence and security operations.

Notable

• Registrants for the majority of the largest prefixes are SKYHIGH SECURITY LLC, while smaller blocks are registered to Musarubra Germany GmbH, the original holder.
• The address inventory is dominated by the 131.229.0.0/16 range, with additional blocks in 208.81.0.0/16, 208.65.0.0/16, and 185.125.0.0/16.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 131.229.128.0/21
• 131.229.137.0/24
• 131.229.138.0/23
• 131.229.141.0/24
• 131.229.142.0/23
• 131.229.144.0/21
• 131.229.152.0/23
• 131.229.160.0/22
• 131.229.164.0/23
• 131.229.167.0/24
• 131.229.168.0/24
• 131.229.170.0/24
• 131.229.176.0/21
• 131.229.184.0/23
• 131.229.188.0/22
• 131.229.192.0/22
• 131.229.196.0/23
• 131.229.207.0/24
• 131.229.208.0/23
• 131.229.212.0/22
• 131.229.216.0/22
• 131.229.220.0/23
• 131.229.224.0/24
• 131.229.232.0/24
• 131.229.247.0/24
• 131.229.248.0/24
• 185.125.224.0/22
• 185.212.105.0/24
• 185.212.106.0/24
• 185.221.68.0/22
• 208.65.144.0/22
• 208.65.148.0/24
• 208.65.150.0/23
• 208.81.64.0/21
• 2a06:bcc7::/48

Upstream networks

• AS31898 Oracle Corporation
• AS3356 Level 3 Parent, LLC
• AS3257 GTT Communications Inc.
• AS6939 Hurricane Electric LLC
• AS3491 PCCW Global (HK) Ltd.
• AS7195 EDGEUNO S.A.S
• AS18229 CtrlS
• AS34372 VegaSystems GmbH & Co. KG
• AS8220 COLT Technology Services Group Limited
• AS4637 Telstra Global
• AS24482 SG.GS
• AS34549 meerfarbig GmbH & Co. KG
• AS3303 Swisscom (Schweiz) AG
• AS37721 Virtual Technologies & Solutions
• AS12779 IT.Gate S.p.A.
• AS34019 Hivane Association
• AS213241 TECHIT.BE SRL
• AS37100 SEACOM Limited
• AS293 ESnet
• AS17639 Converge ICT Solutions Inc.
• AS20485 Joint Stock Company TransTeleCom
• AS6797 GlobalConnect AB
• AS48362 Stadtwerke Feldkirch
• AS34927 iFog GmbH
• AS48185 team.blue NV

Adjacent networks

• AS31898 Oracle Corporation
• AS3356 Level 3 Parent, LLC
• AS3257 GTT Communications Inc.
• AS6939 Hurricane Electric LLC
• AS3491 PCCW Global (HK) Ltd.
• AS7195 EDGEUNO S.A.S
• AS18229 CtrlS
• AS34372 VegaSystems GmbH & Co. KG
• AS8220 COLT Technology Services Group Limited
• AS4637 Telstra Global
• AS24482 SG.GS
• AS34549 meerfarbig GmbH & Co. KG
• AS3303 Swisscom (Schweiz) AG
• AS37721 Virtual Technologies & Solutions
• AS34019 Hivane Association
• AS12779 IT.Gate S.p.A.
• AS37100 SEACOM Limited
• AS293 ESnet
• AS17639 Converge ICT Solutions Inc.
• AS213241 TECHIT.BE SRL
• AS48362 Stadtwerke Feldkirch
• AS20485 Joint Stock Company TransTeleCom
• AS34927 iFog GmbH
• AS6797 GlobalConnect AB
• AS50300 CustodianDC Limited

Routing security

• RPKI: 96 valid, 0 invalid and 0 not-found announcements; 108 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 130 route objects.
• Listed in as-sets: AS-AMC, AS-AMC-TEST, AS-E1-AUTOMATION-CUSTOMER, AS-EQUINIX-FR, AS-FRANCEIX-PAR, AS-FRANCEIX-PAR-LIST, AS-GTTCUST, AS-GTTCUST6, AS-HETZNER, AS-HIBERNIA, AS-IIJ, AS-IIJ6, AS-INFORELAY, AS-ISECG-ENG-PDB, AS-KDDCUSTOMER2, AS-MANDA-AMSIX-PEERS-V4, AS-MANDA-AMSIX-PEERS-V6, AS-ORACLE-OCI-OC1-CUSTOMER, AS-PACKET, AS-SET-INEX-CONNECTED, AS-SET-INEX-RS, AS-TELSTRA-INTL-CUSTOMERS, AS-TENET-DE-CIX-PEERS, AS-TRANSROUTE-SPEC, AS-VEGA-TRANSIT.

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• DE-CIX Frankfurt — Frankfurt, Germany
• LINX LON1 — London, United Kingdom
• AMS-IX Amsterdam — Amsterdam, Netherlands
• France-IX Paris — Paris, France
• Equinix Internet Exchange Singapore — Singapore, Singapore
• Milan Internet Exchange — Milan, Italy
• Equinix Internet Exchange Ashburn — Ashburn, United States
• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• Any2 California — Los Angeles, United States
• Equinix Internet Exchange Chicago — Chicago, United States
• DE-CIX New York — New York, United States
• Equinix Internet Exchange Hong Kong — Hong Kong, China
• Equinix Internet Exchange Dallas — Dallas, United States
• New York International Internet Exchange — New York, United States
• Equinix Internet Exchange San Jose (Bay Area) — San Jose, United States
• FL-IX - The Florida Internet Exchange / Community IX - Florida — Miami, United States
• Equinix Internet Exchange Miami — Miami, United States
• Extreme IX New Delhi — New Delhi, India
• LINX Manchester — Manchester, United Kingdom
• BroadBand Internet eXchange Osaka — Osaka, Japan
• Equinix Internet Exchange Tokyo — Tokyo, Japan
• Equinix Internet Exchange New York — New York, United States
• Internet Neutral Exchange Association CLG - LAN1 — Dublin, Ireland
• Equinix Internet Exchange Los Angeles — Los Angeles, United States
• Equinix Los Angeles IBX — Los Angeles, United States
• Extreme IX Bangalore — Bangalore, India
• Equinix-LA(former Paix) — Los Angeles, United States