Home / Prefixes / 2603:4000::/32

2603:4000::/32 No ROA

Massachusetts Institute of Technology · Updated 21.10.2026 15:15 UTC
Announced IPv6 AS3 Massachusetts Institute of Technology US Cambridge, United States

Network Information

Prefix
2603:4000::/32
Network Description:
—
Address range
2603:4000:: – 2603:4000:ffff:ffff:ffff:ffff:ffff:ffff
Size
4,294,967,296 × /64
Origin AS
AS3 Massachusetts Institute of Technology
Organization
Massachusetts Institute of Technology
AS path
AS208972AS9121AS3356AS3
Paths seen
1
RPKI
No ROA
Location
US Cambridge, United States
First seen
21.10.2026

RPKI ROAs

No ROA covers this prefix.
None in the routing table.
None in the routing table.
PrefixOrigin ASDescriptionLocationRPKI
18.0.0.0/16 AS3 US Cambridge No ROA
18.1.0.0/16 AS3 US Cambridge No ROA
18.3.0.0/16 AS3 US Cambridge No ROA
18.3.1.0/24 AS3 US Cambridge No ROA
18.3.2.0/24 AS3 US Cambridge No ROA
18.3.3.0/24 AS3 US Cambridge No ROA
18.3.4.0/24 AS3 US Cambridge No ROA
18.3.5.0/24 AS3 US Cambridge No ROA
18.3.6.0/24 AS3 US Cambridge No ROA
18.3.7.0/24 AS3 US Cambridge No ROA
18.3.8.0/24 AS3 US Cambridge No ROA
18.3.9.0/24 AS3 US Cambridge No ROA
18.3.10.0/24 AS3 US Cambridge No ROA
18.3.11.0/24 AS3 US Cambridge No ROA
18.3.12.0/24 AS3 US Cambridge No ROA
18.3.13.0/24 AS3 US Cambridge No ROA
18.3.14.0/24 AS3 US Cambridge No ROA
18.3.15.0/24 AS3 US Cambridge No ROA
18.3.16.0/24 AS3 US Cambridge No ROA
18.3.17.0/24 AS3 US Cambridge No ROA
18.3.18.0/24 AS3 US Cambridge No ROA
18.3.19.0/24 AS3 US Cambridge No ROA
18.3.20.0/24 AS3 US Cambridge No ROA
18.3.21.0/24 AS3 US Cambridge No ROA
18.3.22.0/24 AS3 US Cambridge No ROA
18.3.23.0/24 AS3 US Cambridge No ROA
18.3.28.0/24 AS3 US Cambridge No ROA
18.3.67.0/24 AS3 US Cambridge No ROA
18.3.69.0/24 AS3 US Cambridge No ROA
18.3.90.0/24 AS3 US Cambridge No ROA
18.3.103.0/24 AS3 US Cambridge No ROA
18.3.104.0/24 AS3 US Cambridge No ROA
18.3.105.0/24 AS3 US Cambridge No ROA
18.3.106.0/24 AS3 US Cambridge No ROA
18.3.108.0/24 AS3 US Cambridge No ROA
18.3.109.0/24 AS3 US Cambridge No ROA
18.3.111.0/24 AS3 US Cambridge No ROA
18.3.116.0/24 AS3 US Cambridge No ROA
18.3.122.0/24 AS3 US Cambridge No ROA
18.3.151.0/24 AS3 US Cambridge No ROA
18.3.152.0/24 AS3 US Cambridge No ROA
18.3.153.0/24 AS3 US Cambridge No ROA
18.3.154.0/24 AS3 US Cambridge No ROA
18.3.155.0/24 AS3 US Cambridge No ROA
18.4.0.0/16 AS3 US Cambridge No ROA
18.5.0.0/16 AS3 US Cambridge No ROA
18.6.0.0/16 AS3 US Cambridge No ROA
18.7.0.0/16 AS3 US Cambridge No ROA
18.7.23.0/24 AS3 US Cambridge No ROA
18.7.32.0/24 AS3 US Cambridge No ROA
18.7.34.0/24 AS3 US Cambridge No ROA
18.7.39.0/24 AS3 US Cambridge No ROA
18.7.40.0/24 AS3 US Cambridge No ROA
18.7.54.0/24 AS3 US Cambridge No ROA
18.7.80.0/24 AS3 US Cambridge No ROA
18.7.82.0/24 AS3 US Cambridge No ROA
18.7.84.0/24 AS3 US Cambridge No ROA
18.7.102.0/24 AS3 US Cambridge No ROA
18.7.108.0/24 AS3 US Cambridge No ROA
18.7.117.0/24 AS3 US Cambridge No ROA
18.7.118.0/24 AS3 US Cambridge No ROA
18.7.119.0/24 AS3 US Cambridge No ROA
18.7.120.0/24 AS3 US Cambridge No ROA
18.8.0.0/16 AS3 US Cambridge No ROA
18.9.0.0/16 AS3 US Cambridge No ROA
18.10.0.0/16 AS3 US Cambridge No ROA
18.11.0.0/16 AS3 US Cambridge No ROA
18.12.0.0/16 AS3 US Cambridge No ROA
18.13.0.0/16 AS3 US Cambridge No ROA
18.14.0.0/16 AS3 US Cambridge No ROA
18.15.0.0/16 AS3 US Cambridge No ROA
18.16.0.0/16 AS3 US Cambridge No ROA
18.17.0.0/16 AS3 US Cambridge No ROA
18.18.0.0/16 AS3 US Cambridge No ROA
18.22.0.0/16 AS3 US Cambridge No ROA
18.23.0.0/16 AS3 US Cambridge No ROA
18.25.0.0/16 AS3 US Cambridge No ROA
18.26.0.0/16 AS3 US Cambridge No ROA
18.27.0.0/16 AS3 US Cambridge No ROA
18.29.0.0/16 AS3 US Cambridge No ROA
18.31.0.0/16 AS3 US Cambridge No ROA
103.127.189.0/24 AS3 Onepipe Telecom Pvt Ltd IN RPKI invalid (origin)
103.182.177.0/24 AS3 IN RPKI invalid (origin)
128.30.0.0/15 AS3 US Newton Highlands No ROA
128.52.0.0/16 AS3 US No ROA
192.52.61.0/24 AS3 US No ROA
192.52.62.0/24 AS3 US No ROA
192.52.63.0/24 AS3 US No ROA
192.52.64.0/24 AS3 US No ROA
192.52.65.0/24 AS3 US No ROA
2603:4001::/32 AS3 US Cambridge No ROA
2603:4007::/32 AS3 US Cambridge No ROA
2603:4008::/32 AS3 US Cambridge No ROA
2603:4009::/32 AS3 US Cambridge No ROA
2603:400a::/32 AS3 US Cambridge No ROA
2603:4010::/32 AS3 US Cambridge No ROA
2603:4011::/32 AS3 US Cambridge No ROA

Origin AS

Details →
AS
AS3
Name
Massachusetts Institute of Technology
Also Known As:
MIT
Website
http://mit.edu
Prefixes
90 IPv4 · 8 IPv6
Peers
4 (4 Upstreams)

Approximate location

GeoLite2

External links

RIPEstat bgp.tools Hurricane Electric IRR Explorer Looking Glass JSON API