ITSystem LLC

Data as of 2026-08-16
BGP inherited
Cluster stats
Netblocks25 · 4,864 IPv4 addresses
IPv6 1 prefix (largest 2a09:cf40::/29)
Registered in Sweden (21) · Russia (4) · MN (2)
All fragments 29 blocks across 2 clusters
Cluster ID222379047
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 21 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

3 weekly snapshots · JSON
28 +2 netblocks since 2026-07-26
2026-07-26 peak 28 2026-08-16

IP Ranges (25)

⬇ export CSV
CIDR Org name Registry Status Confidence
62.101.45.32/29 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
62.101.47.188/30 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.84.0/22 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.100.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.101.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.102.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.103.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.105.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.106.0/25 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.110.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.111.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.114.128/25 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
83.172.122.0/24 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
95.140.190.0/23 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
103.87.255.0/24 ITSYSTEM LLC BGP ANNOUNCED ● high
188.64.137.0/24 ITSystem LLC BGP ANNOUNCED ● high
194.24.172.0/24 ITSystem LLC BGP ANNOUNCED ● high
212.112.42.240/28 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
212.112.47.100/30 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
212.112.50.64/28 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
212.112.50.96/27 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
212.112.55.128/25 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
212.112.56.96/28 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
212.112.56.160/27 SE-ITSYSTEM-NET RIPE ASSIGNED PA ● high
2a09:cf40::/29 ITSystem LLC RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (1)

CIDR
2a09:cf40::/29

Network trust

what's this?
RPKI hygiene: A how networks compare →
96.4% of checked blocks have valid RPKI ROA coverage (27 of 28)
Possible discrepancies (10)

These blocks are registered to ITSystem LLC but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

83.172.84.0/22 /22 authorized for AS13189 — Liden Data Internetwork AB
95.140.190.0/23 /23 authorized for AS13189 — Liden Data Internetwork AB
83.172.111.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.105.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.102.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.122.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.100.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.101.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.103.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB
83.172.110.0/24 /24 authorized for AS13189 — Liden Data Internetwork AB

NIC Handles

AI747-AP APNIC-HM AS18172 AS60561 DUMY-RIPE DUMY-RIPE ILA17-AP ILA17-AP IPADDRESS-RU IPADDRESS-RU ISID1-RIPE LIDNET-LIR +9 more