NATIONAL LIBRARY BOARD
AS18402 is NATIONAL LIBRARY BOARD (nlb.gov.sg). It announces 1,536 IPv4 addresses in 6 prefixes, and 1 IPv6 prefixes.
Singapore· APNIC· allocated 2002-12-31· government
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Singapore1,536 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NLB-AS-SG-AP
- name
- National Library Board
- org
- ORG-NLB1-AP
- org name
- National Library Board
- org address
- Blk750D Chai Chee Road, Technopark @ ChaiChee
- org country
- SG
- country
- SG
- source
- apnic
- updated
- 2026-08-13
- descr
- NATIONAL LIBRARY BOARD / NETWORK OPERATION CENTRE / SINGAPORE
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AN1055-AP
- abuse name
- ABUSE NLBNONSG
- abuse email
- nis_help@nlb.gov.sg
- abuse kind
- role
- admin
- TS2000-AP
- tech
- TS2000-AP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 203.78.9.0/24 | Singapore | valid | 16 | 2026-10-02 |
| 203.78.11.0/24 | Singapore | not found | 16 | 2026-10-02 |
| 203.78.12.0/24 | Singapore | not found | 16 | 2026-10-02 |
| 203.78.13.0/24 | Singapore | not found | 16 | 2026-10-02 |
| 203.78.14.0/24 | Singapore | not found | 16 | 2026-10-02 |
| 203.78.15.0/24 | Singapore | not found | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:df0:301::/48 | Singapore | not found | 19 | 2026-10-02 |
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