Alyeska Information Technology Services LLC
Data as of 2026-10-18
BGP inherited
This organisation
| Netblocks | 9 · 3,072 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2602:fed5::/36) |
| Record ID | 250199410 |
| Registry | BGP |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 74.123.136.0/22 | Alyeska Information Technology Services LLC | BGP | ANNOUNCED | ● high |
| 162.218.248.0/23 | Alyeska Information Technology Services LLC | BGP | ANNOUNCED | ● high |
| 162.218.248.0/22 | Alyeska Information Technology Services LLC | ARIN | DIRECT ALLOCATION | ● high |
| 162.218.250.0/23 | Alyeska Information Technology Services LLC | BGP | ANNOUNCED | ● high |
| 206.81.160.0/22 | Alyeska Information Technology Services LLC | ARIN | DIRECT ALLOCATION | ● high |
| 2602:fed5::/36 | Alyeska Information Technology Services LLC | ARIN | DIRECT ALLOCATION | ● high |
| 2602:fed5::/47 | Alyeska Information Technology Services LLC | BGP | ANNOUNCED | ● high |
| 2602:fed5:1::/48 | Alyeska Information Technology Services LLC | BGP | ANNOUNCED | ● high |
| 2602:fed5:2::/47 | Alyeska Information Technology Services LLC | BGP | ANNOUNCED | ● high |
IPv6 ranges (4)
Footprint over time
17 weekly snapshots · JSON
11
+5 netblocks since 2026-07-05
2026-07-05
peak 11
2026-10-18
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(11 of 11)
No discrepancies found among checked blocks.
NIC Handles
AITSL
AS27398
MANTZ2-ARIN
MANTZ2-ARIN
MANTZ2-ARIN