Mail Chimp
MailChimp
Cluster stats
| Netblocks | 67 |
| Cluster ID | 191678920 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 12 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (67)
showing 50 of 67 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 148.105.0.0/16 | MailChimp | ARIN | ● high | |
| 148.105.0.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.1.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.4.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.8.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.10.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.11.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.12.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.13.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.14.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.15.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.16.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.128.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.129.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.241.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.242.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.251.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.254.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 148.105.255.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.128.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.128.0/18 | MailChimp | ARIN | ● high | |
| 198.2.128.0/19 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.129.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.130.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.131.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.132.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.133.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.134.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.135.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.136.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.137.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.138.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.139.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.141.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.142.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.143.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.144.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.145.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.160.0/19 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.174.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.175.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.177.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.178.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.179.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.180.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.181.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.182.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.183.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.184.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
| 198.2.185.0/24 | MailChimp | BGP | ANNOUNCED | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(67 of 67)
Possible discrepancies (67)
These blocks are registered to MailChimp 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.
| 148.105.0.0/16 /16 | authorized for AS14618 — Amazon.com, Inc. |
| 198.2.128.0/18 /18 | authorized for AS14618 — Amazon.com, Inc. |
| 198.2.128.0/19 /19 | authorized for AS14618 — Amazon.com, Inc. |
| 198.2.160.0/19 /19 | authorized for AS14618 — Amazon.com, Inc. |
| 205.201.128.0/20 /20 | authorized for AS14618 — Amazon.com, Inc. |
| 205.201.128.0/21 /21 | authorized for AS14618 — Amazon.com, Inc. |
| 205.201.136.0/21 /21 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.0.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.1.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.4.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.8.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.10.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.11.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.12.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
| 148.105.13.0/24 /24 | authorized for AS14618 — Amazon.com, Inc. |
+52 more — see the REST API
NIC Handles
ABUSE3411-ARIN
AS14782
INTUI-77
MAILC1-ARIN
MAILC1-ARIN
MAILC1-ARIN
MAILC1-ARIN
MAILC1-ARIN
NETWO8422-ARIN
NETWO8422-ARIN
NETWO8422-ARIN
NETWO8422-ARIN