Vanguard Health Systems

BGP inherited
Cluster stats
Netblocks20
All fragments 65 blocks across 13 clusters
Cluster ID204991847
RegistryAPNIC
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 26 shared RIR contact/maintainer handles
Registry names 9 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

4 weekly snapshots · JSON
20 -1 netblocks since 2026-07-05
2026-07-05 peak 22 2026-07-13

IP Ranges (20)

⬇ export CSV
CIDR Org name Registry Status Confidence
155.139.205.0/24 Vanguard Health Management, Inc. BGP ANNOUNCED ● high
199.5.30.0/24 Vanguard Health Systems BGP ANNOUNCED ● high
199.5.31.0/24 Vanguard Health Systems BGP ANNOUNCED ● high
203.63.212.44/30 VANGUARD-CC-AU APNIC ASSIGNED NON-PORTABLE ● high
203.63.249.0/30 VANGUARD-CC-AU APNIC ASSIGNED NON-PORTABLE ● high
210.9.179.140/30 VANGUARD-CC-AU APNIC ASSIGNED NON-PORTABLE ● high
210.11.130.200/29 VANGUARD-CC-AU APNIC ASSIGNED NON-PORTABLE ● high
210.177.253.16/28 VANGUARD-HK APNIC ASSIGNED NON-PORTABLE ● high
58.137.28.208/28 vanguard-TH APNIC ASSIGNED NON-PORTABLE ● low
62.6.152.176/29 VANGUARD-DS RIPE ASSIGNED PA ● low
81.145.61.56/29 VANGUARD-DS RIPE ASSIGNED PA ● low
119.73.163.176/29 VANGUARD-SG APNIC ALLOCATED NON-PORTABLE ● low
194.74.229.192/29 VANGUARD-D-S RIPE ASSIGNED PA ● low
195.99.175.216/29 VANGUARD-DS RIPE ASSIGNED PA ● low
213.157.69.16/28 VANGUARD-SRV RIPE ASSIGNED PA ● low
2a00:2381:e06b::/48 VANGUARD-DS RIPE AGGREGATED-BY-LIR ● low
2a00:2381:e06b:200::/56 VANGUARD-DS RIPE ASSIGNED ● low
2a00:2381:e06b:400::/56 VANGUARD-DS RIPE ASSIGNED ● low
2a00:2381:e06b:600::/56 VANGUARD-DS RIPE ASSIGNED ● low
2a00:2381:e06b:700::/56 VANGUARD-D-S RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
70.0% of checked blocks have valid RPKI ROA coverage (14 of 20)
Possible discrepancies (5)

These blocks are registered to Vanguard Health Systems 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.

2a00:2381:e06b::/48 /48 authorized for AS2856 — British Telecommunications Limited
2a00:2381:e06b:200::/56 /56 authorized for AS2856 — British Telecommunications Limited
2a00:2381:e06b:400::/56 /56 authorized for AS2856 — British Telecommunications Limited
2a00:2381:e06b:600::/56 /56 authorized for AS2856 — British Telecommunications Limited
2a00:2381:e06b:700::/56 /56 authorized for AS2856 — British Telecommunications Limited

NIC Handles

AC1613-AP AS2068-AP AS40578 AS53487 BTNET-MNT DD174-AP DD174-AP DD180-AP DD180-AP DUMY-RIPE DUMY-RIPE DW532-AP +14 more