Mail Chimp
MailChimp
Cluster stats
Netblocks67
Cluster ID191678920
RegistryBGP
Customersfind 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