Spam from *where*? Mars?

I saw in my mail logs tonight, a bounced spam from 'unknown[]'

1/8? When did that happen?

(Yes, yes, I know; last year. Just never seen one before...)

-- jra

For this block, end of january judging from the changed:-line below.

inetnum: -
netname: FPT-NET
country: VN
descr: IP range for FPT Broadband Service
descr: 48 Van Bao str,Ba Dinh Dist, Ha Noi
admin-c: LPC5-AP
tech-c: LPC5-AP
remarks: For spamming matters, mail to
mnt-irt: IRT-VNNIC-AP
mnt-by: MAINT-VN-FPT
source: APNIC
changed: 20110124

aka /dev/null as far as I can see. Huge volumes of abuse from this
range and from VNPT.

If any ops from there are around please email me offlist

--srs (postmaster for AS27477)