arch    |    name    |     lastseen at UTC+1      | interval |     expected at UTC+1      
-----------+------------+----------------------------+----------+----------------------------
 alpha     | electro    | 2015-03-01 12:34:02.751335 | 01:56:14 | 2015-03-01 20:18:58.751335
 alpha     | imago      | 2015-03-01 12:30:26.170964 | 01:59:57 | 2015-03-01 20:30:14.170964
 amd64     | athlon     | 2014-07-30 11:57:01.714438 | 01:00:00 | 2014-07-30 15:57:01.714438
 arm64     | turfan     | 2015-03-01 12:50:35.345136 | 01:22:34 | 2015-03-01 18:20:51.345136
 hppa      | c8000a     | 2014-09-24 20:54:47.790066 | 1 day    | 2014-09-28 20:54:47.790066
 hppa      | c8000b     | 2014-09-24 20:54:47.779456 | 1 day    | 2014-09-28 20:54:47.779456
 hppa      | hpviz      | 2014-06-22 22:57:21.442946 | 02:00:03 | 2014-06-23 06:57:33.442946
 hppa      | hpviz2     | 2014-06-22 22:56:26.01981  | 02:00:06 | 2014-06-23 06:56:50.01981
 hppa      | mx3210     | 2015-03-01 12:57:07.913887 | 01:59:59 | 2015-03-01 20:57:03.913887
 hppa      | parisc     | 2015-03-01 11:53:03.606557 | 01:59:59 | 2015-03-01 19:52:59.606557
 hppa      | rio        | 2014-05-16 20:57:56.071605 | 02:00:37 | 2014-05-17 05:00:24.071605
 hppa      | rio2       | 2014-05-16 20:56:56.03821  | 02:00:37 | 2014-05-17 04:59:24.03821
 hppa      | sibaris1   | 2015-03-01 12:57:02.797154 | 01:59:59 | 2015-03-01 20:56:58.797154
 hppa      | sibaris2   | 2015-03-01 12:57:02.641301 | 01:59:59 | 2015-03-01 20:56:58.641301
 hppa      | sibaris3   | 2015-03-01 12:56:02.922848 | 01:59:58 | 2015-03-01 20:55:54.922848
 hurd-i386 | bach       | 2010-09-01 07:19:54.275501 | 01:02:18 | 2010-09-01 11:29:06.275501
 hurd-i386 | mahler     |                            |          | 
 hurd-i386 | mozart     | 2010-09-01 03:19:59.373648 | 02:45:01 | 2010-09-01 14:20:03.373648
 m32r      | buildd2    | 2010-08-17 12:57:09.075866 | 12:23:57 | 2010-08-19 14:32:57.075866
 m32r      | mappi005   | 2010-08-17 12:55:16.667636 | 12:23:00 | 2010-08-19 14:27:16.667636
 m68k      | aahz       | 2013-07-25 21:54:48.898134 | 13:38:50 | 2013-07-28 04:30:08.898134
 m68k      | akire      | 2015-02-04 07:58:16.855464 | 07:35:29 | 2015-02-05 14:20:12.855464
 m68k      | ara5       | 2015-03-01 12:46:04.370566 | 00:59:59 | 2015-03-01 16:46:00.370566
 m68k      | arrakis    | 2014-05-29 18:58:09.668177 | 05:59:58 | 2014-05-30 18:58:01.668177
 m68k      | crest      | 2015-03-01 13:15:55.497327 | 01:00:14 | 2015-03-01 17:16:51.497327
 m68k      | elgar      | 2015-03-01 12:58:06.781756 | 06:00:39 | 2015-03-02 13:00:42.781756
 m68k      | hobbes     |                            |          | 
 m68k      | kirby      | 2015-03-01 12:58:03.697685 | 06:00:41 | 2015-03-02 13:00:47.697685
 m68k      | kullervo   | 2015-01-21 23:18:34.559046 | 01:00:48 | 2015-01-22 03:21:46.559046
 m68k      | merlin     | 2013-10-18 01:18:21.810166 |          | 
 m68k      | minthe     |                            |          | 
 m68k      | pacman     | 2015-03-01 12:58:03.129834 | 06:00:41 | 2015-03-02 13:00:47.129834
 m68k      | phoebe     |                            |          | 
 m68k      | pikachu    |                            |          | 
 m68k      | prometheus |                            |          | 
 m68k      | spice      | 2014-10-19 12:58:14.737092 | 05:59:53 | 2014-10-20 12:57:46.737092
 m68k      | theia      | 2010-05-26 01:58:03.699908 | 05:59:59 | 2010-05-27 01:57:59.699908
 m68k      | vivaldi    | 2015-01-01 00:58:14.431605 | 05:59:58 | 2015-01-02 00:58:06.431605
 m68k      | washi      |                            |          | 
 m68k      | zlin3      | 2010-04-29 07:57:39.910896 | 05:59:59 | 2010-04-30 07:57:35.910896
 mips      | sigrun     | 2010-07-19 13:06:10.990232 | 00:58:38 | 2010-07-19 17:00:42.990232
 sh4       | akagi      | 2015-03-01 08:30:59.618185 | 05:59:59 | 2015-03-02 08:30:55.618185
 sh4       | amagi      | 2015-03-01 08:27:10.580287 | 05:59:59 | 2015-03-02 08:27:06.580287
 sh4       | dummy      |                            |          | 
 sh4       | huso       | 2015-03-01 08:26:10.680818 | 05:59:59 | 2015-03-02 08:26:06.680818
 sh4       | hyuga      | 2014-12-24 05:55:11.027669 | 06:00:02 | 2014-12-25 05:55:19.027669
 sh4       | ise        | 2014-12-24 02:00:06.495934 | 05:59:59 | 2014-12-25 02:00:02.495934
 sh4       | kongou     | 2015-03-01 11:23:21.318933 | 05:59:59 | 2015-03-02 11:23:17.318933
 sh4       | musashi    | 2015-03-01 08:16:24.574379 | 05:59:59 | 2015-03-02 08:16:20.574379
 sh4       | nagato     | 2015-03-01 08:23:31.243726 | 06:00:00 | 2015-03-02 08:23:31.243726
 sh4       | yamashiro  | 2015-03-01 08:14:50.337425 | 06:00:00 | 2015-03-02 08:14:50.337425
 sh4       | yamato     | 2015-03-01 08:38:18.313487 | 05:59:59 | 2015-03-02 08:38:14.313487
(52 rows)