NBI SIA

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks59 · 14,082 IPv4 addresses
IPv6 5 prefixes (largest 2a0c:8d00::/29)
Registered in LV (36) · Bulgaria (19) · IR (3) · Poland (3)
Cluster ID213284840
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 28 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

6 weekly snapshots · JSON
67 -1 netblocks since 2026-07-05
2026-07-05 peak 68 2026-07-26

IP Ranges (59)

showing 50 of 59 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
31.131.88.0/24 NBI SIA BGP ANNOUNCED ● high
31.131.90.0/24 NBI SIA BGP ANNOUNCED ● high
31.131.91.0/24 NBI SIA BGP ANNOUNCED ● high
45.11.192.0/24 NBI SIA BGP ANNOUNCED ● high
45.11.193.0/24 NBI SIA BGP ANNOUNCED ● high
45.11.194.0/24 NBI SIA BGP ANNOUNCED ● high
45.11.195.0/24 NBI SIA BGP ANNOUNCED ● high
45.65.124.0/24 NBI SIA BGP ANNOUNCED ● high
45.65.126.0/24 NBI SIA BGP ANNOUNCED ● high
45.65.127.0/24 NBI SIA BGP ANNOUNCED ● high
45.95.80.0/24 NBI SIA BGP ANNOUNCED ● high
45.95.81.0/24 NBI SIA BGP ANNOUNCED ● high
45.95.82.0/24 NBI SIA BGP ANNOUNCED ● high
45.95.83.0/24 NBI SIA BGP ANNOUNCED ● high
77.73.32.0/24 NBI SIA BGP ANNOUNCED ● high
77.241.64.0/24 NBI SIA BGP ANNOUNCED ● high
77.241.66.0/24 NBI SIA BGP ANNOUNCED ● high
77.241.67.0/24 NBI SIA BGP ANNOUNCED ● high
85.187.216.0/23 NBI Systems Ltd. BGP ANNOUNCED ● high
91.190.157.0/24 NBI SIA BGP ANNOUNCED ● high
109.121.136.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
109.121.139.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
109.121.142.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
109.121.143.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
185.1.40.21/32 NBI Systems PEERINGDB ASSIGNED ● high
185.1.226.176/32 NBI Systems PEERINGDB ASSIGNED ● high
185.138.176.0/23 NBI Systems Ltd. BGP ANNOUNCED ● high
185.138.178.0/23 NBI Systems Ltd. BGP ANNOUNCED ● high
185.213.200.0/24 NBI SIA BGP ANNOUNCED ● high
185.213.202.0/24 NBI SIA BGP ANNOUNCED ● high
185.213.203.0/24 NBI SIA BGP ANNOUNCED ● high
185.218.64.0/22 NBI Systems Ltd. BGP ANNOUNCED ● high
185.240.105.0/24 NBI SIA BGP ANNOUNCED ● high
185.240.106.0/24 NBI SIA BGP ANNOUNCED ● high
185.240.107.0/24 NBI SIA BGP ANNOUNCED ● high
185.250.116.0/24 NBI SIA BGP ANNOUNCED ● high
185.250.118.0/24 NBI SIA BGP ANNOUNCED ● high
185.250.119.0/24 NBI SIA BGP ANNOUNCED ● high
185.251.39.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
194.26.199.0/24 NBI SIA BGP ANNOUNCED ● high
212.21.129.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
212.21.133.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
212.21.159.0/24 NBI Systems Ltd. BGP ANNOUNCED ● high
212.103.46.0/24 NBI SIA BGP ANNOUNCED ● high
212.103.47.0/24 NBI SIA BGP ANNOUNCED ● high
2001:67c:29f0::3:9396:1/128 NBI Systems PEERINGDB ASSIGNED ● high
2001:7f8:98::21/128 NBI Systems PEERINGDB ASSIGNED ● high
2a10:bac0::/32 NBI Systems Ltd. BGP ANNOUNCED ● high
31.131.88.0/22 NBI SIA RIPE ALLOCATED PA ● low
45.11.192.0/22 NBI SIA RIPE ALLOCATED PA ● low

IPv6 ranges (5)

CIDR
2a0c:8d00::/29
2a12:9000::/29
2a10:bac0::/32
2001:67c:29f0::3:9396:1/128
2001:7f8:98::21/128

Network trust

what's this?
RPKI hygiene: D how networks compare →
37.3% of checked blocks have valid RPKI ROA coverage (25 of 67)
Possible discrepancies (3)

These blocks are registered to NBI SIA 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.

185.213.200.0/24 /24 authorized for AS50810 — Mobin Net Communication Company (Private Joint Stock)
185.213.202.0/24 /24 authorized for AS50810 — Mobin Net Communication Company (Private Joint Stock)
185.213.203.0/24 /24 authorized for AS50810 — Mobin Net Communication Company (Private Joint Stock)

NIC Handles

AR62634-RIPE AS202280 AS204391 AS205045 AS205568 AS208996 AS209895 AS210130 AS210556 AS210830 AS39396 AS39396 +16 more