AS53713 National Cement Company
IPv4 addresses
768
IPv6 /48 networks
0
RPKI
0 valid3 no ROA
Peers and downstreams
0
Holder
- AS name
- NATIONAL-CEMENT
- Description
- National Cement Company / 15821 Ventura Bl #475 / Encino, CA / US
- Organisation
- National Cement Company
- Abuse contact
- Not published
- Assigned
- 2011-05-01
- Registered
- 2011-05-02
- Record last changed
- 2012-03-02 13:03 UTC
None announced.
None seen.
None seen.
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade D · 45/100| fail | Prefixes covered by valid ROAs 0 of 3 announced prefixes are RPKI valid, 3 have no ROA. |
0/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| fail | Announces IPv6 No IPv6 prefixes are announced. |
0/15 |
| pass | More than one upstream 4 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact domreg@natcem.com is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| fail | Registry record maintained Last changed 2012-03-02. |
0/5 |
Routing changes
Last 30 days| 2026-10-04 09:40 UTC | Neighbour gone | AS5726 | upstream |
| 2026-10-04 09:40 UTC | New neighbour | AS6939 | upstream |
WHOIS
aut-num: AS53713 as-name: NATIONAL-CEMENT handle: AS53713 remarks: National Cement Company registrant: NATION-11 (National Cement Company) administrative,technical,abuse:NCID-ARIN (National Cement IT Department) <domreg@natcem.com> technical: STOIL-ARIN (Valentin Stoilov) <domreg@natcem.com> technical: RW239-ARIN (Ralph E Whitmore III) <ralph.whitmore@gmail.com> abuse,technical:NCID-ARIN (National Cement IT Department) <domreg@natcem.com> technical: STOIL-ARIN (Valentin Stoilov) <domreg@natcem.com> technical: RW239-ARIN (Ralph E Whitmore III) <ralph.whitmore@gmail.com> last changed: 2012-03-02T08:03:18-05:00 registration: 2011-05-02T14:43:27-04:00 source: ARIN (RDAP)