GITHUB INC
GitHub, Inc.
GLEIF verified
Complete entity footprint
8 linked clusters ·
558 netblocks ·
106,506 IPv4 addresses
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
6354003LMZZAKOPXLX69
Registered name
GITHUB INC
Jurisdiction
Ultimate parent
MICROSOFT CORPORATION
INR2EJN1ERAN0W5ZP974
Cluster stats
| Netblocks | 359 · 35,359 IPv4 addresses |
| Registered in | United States (282) · United Kingdom (47) · Germany (12) |
| Cluster ID | 213238545 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 6354003LMZZAKOPXLX69 |
| Shared handles | clustered on 37 shared RIR contact/maintainer handles |
| Registry names | 7 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
6 weekly snapshots · JSON
359
-7,375 netblocks since 2026-07-05
2026-07-05
peak 7,837
2026-07-26
IP Ranges (359)
showing 50 of 359 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 4.147.189.192/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.216.160/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.218.144/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.218.192/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.218.240/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.222.240/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.223.64/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.223.208/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.241.160/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.242.96/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.243.0/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.243.16/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.243.48/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.243.112/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.243.144/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.243.240/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.244.192/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.154.245.80/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.155.12.0/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.155.45.96/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.155.74.48/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.155.240.32/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.180.183.240/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.143.240/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.180.176/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.181.112/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.181.128/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.181.192/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.182.32/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.182.112/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.182.128/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.196.182.160/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.197.69.64/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.208.26.196/32 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.208.26.197/32 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.208.26.198/32 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.208.26.200/32 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.177.96/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.177.128/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.179.32/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.179.112/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.179.128/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.179.192/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.179.208/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.180.0/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.180.32/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.180.48/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.180.96/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.180.112/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
| 4.210.180.208/28 | GitHub, Inc. | GITHUB | ANNOUNCED | ● high |
Domains hosted in this network
what's this?Corporate group (8 confirmed entities)
+11 additional unconfirmed candidates not shown — full list (JSON)- LinkedIn Corporation 157 blocks
- Metaswitch Networks Corp. 14 blocks
- Activision Blizzard UK Ltd 13 blocks
- Demonware Limited 8 blocks
- Linkedin Singapore Pte. Ltd 3 blocks
- Net-Microsoft-Ireland-Operations-Limited 3 blocks
- Kingcom 1 blocks
Network trust
what's this?
RPKI hygiene: A
how networks compare →
98.3%
of checked blocks have valid RPKI ROA coverage
(353 of 359)
Possible discrepancies (3)
These blocks are registered to GitHub, Inc. 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.
| 185.199.108.0/22 /22 | authorized for AS54113 — Fastly, Inc. |
| 185.199.108.0/22 /22 | authorized for AS54113 — Fastly, Inc. |
| 185.199.108.0/22 /22 | authorized for AS54113 — Fastly, Inc. |
NIC Handles
ABUSE45-ARIN
ABUSE5675-ARIN
AR39914-RIPE
AS36459
AS36459
C06233306
C07275513
C11247855
C11333059
DUMY-RIPE
DUMY-RIPE
GA9828-RIPE
+25 more