Data as of Nov 11, 2026

40.27.72.0/24

Anonymizer · ISP proxy

British Telecommunications Limited · space held by Eli Lilly and Company

Announcement
this exact prefix
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
record created Apr 23, 1991 · reallocated to Internet Utilities NA LLC Apr 22, 2025
2 · Leased from
for its owner Eli Lilly and Company
3 · Announced by
AS2856 British Telecommunications Limited
since Dec 2025 · 11 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 40.27.72.0/24/24s
IPXO
256100%
1
Leased from

Owners leasing their own space

NameIn 40.27.72.0/24/24s
Eli Lilly and Company
256100%
1

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

40.27.72.0/24

From the registry to its use

  1. Apr 23, 1991
    Registry record
    Eli Lilly and Company
    Direct Allocation (legacy, pre-1997)
    40.27.0.0/16
  2. Apr 22, 2025
    Reallocated
    Internet Utilities NA LLC
    Reallocated
    40.27.0.0/16
  3. Dec 1, 2025
    Assigned
    Internet Utilities NA LLC
    Reassigned
    40.27.72.0/24
  4. Dec 1, 2025
    Route object
    IPXO
    RADB route object for AS2856 British Telecommunications Limited, maintainer MAINT-AS834
  5. Dec 1, 2025
    Route object
    IPXO
    ARIN route object for AS2856 British Telecommunications Limited, maintainer MNT-DCL-577
  6. Dec 14, 2025– today
    Announced
    AS2856 British Telecommunications Limited
    Internet provider
  7. today
    Leased from
    IPXO
    IP broker

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
40.27.0.0/1665,536LILLY-NETEli Lilly and Company (EL-1144-Z) · USDirect AllocationApr 23, 1991tkalis@lilly.com
└ 40.27.0.0/1665,536IPXO-NET-2IPXO LLC (IL-845) · USReallocatedApr 3, 2025abuse@ipxo.com
└ 40.27.0.0/1665,536NET-40-27-0-0-16Internet Utilities NA LLC (DCL-577) · USReallocatedApr 22, 2025report@abuseradar.com
└ 40.27.72.0/24256NET-40-27-72-0-24unknownReassignedDec 1, 2025report@abuseradar.com
via LILLY-NET

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Dec 2025
Current origin since
Dec 2025 · 11 mo
Origin networks
1