usenet.goja.nl.eu.org Daily Usenet report

Feb 12 00:03:17 -- Feb 12 23:00:00

Unknown entries from news log file:

First 5 / 5 lines (100.0%)

Feb 12 02:43:09 goja innd[70179]: filter: No Cancel-Key[sha1:w2eHskG/VhuiAAFvUieR2b3VpQo= sha256:mYlCv5A1SSrzsDm2mNwnAS8GjV83FCwvLBqG6zdZ0Uk=] matches Cancel-Lock[sha1:z+YtNanD4vTwDd02y0BZK+t7ALk= sha256:L5DSZI0q9U54hZ7g6Jgv1yP4Q4NA45dJTobpbAnQruw=] target=<10mjb46$9v3p$1@gwaiyur.mb-net.net>
Feb 12 14:50:24 goja innd[70179]: filter: No Cancel-Key[sha1:8Hsz2B4md7J2EWEw6pa/GRjP9mc= sha256:1k9+GXeojClNRq0bydeWZCnradRVBP4o3lKIwy5ODtY=] matches Cancel-Lock[sha1:zOCwlvVsuXunRllyx2i5SfSk+3w= sha256:f/XkeEroHKiTmXJIdYeOcy8BOdVeh7v2rlZ6Xp6im+Y=] target=<10mklq3$flpp$1@gwaiyur.mb-net.net>
Feb 12 14:55:28 goja innd[70179]: filter: No Cancel-Key[sha1:5+sEMwzOwpWkWfSSLxTDTLrQW74= sha256:fr2ytz97feY6cqILDa0x3wIxFi4fsfqbvwVXzBYMKA4=] matches Cancel-Lock[sha1:amxQkyodu/yXGhKn76ylV8CgIyU= sha256:EsHLUITHes5Oh7wEt7ZNhXQvLYQI+V/IxKnc1JRlNGg=] target=<10mi3c9$8bgh$1@gwaiyur.mb-net.net>
Feb 12 14:58:13 goja innd[70179]: filter: No Cancel-Key[sha1:wJLeLHd5QP7Y59jJxKLFjwVjzec= sha256:Lfwn5rpJnwdTpzGOBYl1TBerLE+4AdlJxIVqcNx3sZQ=] matches Cancel-Lock[sha1:iJMJVL91S7CXNI59xF47EftCQbI= sha256:B2HFj34s3Wax9WMNyg0fIRKe/3VbT0NvoFyVzOrihhE=] target=<10miaan$8kr0$1@gwaiyur.mb-net.net>
Feb 12 15:24:06 goja innd[70179]: filter: No Cancel-Key[sha1:VL0Fnwn066EX4L4RUUudtcjlwps= sha256:SiT8tVHsf9lPVADfzEKiTnnYpk9ffshgO53bk2ExBus=] matches Cancel-Lock[sha1:DEDbNM28Q6Aak/xwnUxkb4Sh2oE= sha256:uyE+Bx+bGk2JbG+q8WuC6YYNC7FOVNufHyNmCcHe53k=] target=<10mknok$fo6t$1@gwaiyur.mb-net.net>

Log entries by program:

Program nameLines%LinesSize%Size
inn 18090 39.8%4.6 MB 58.7%
innd 12145 26.7%1.6 MB 20.1%
nnrpd 11300 24.8%1.2 MB 15.3%
innfeed 3839 8.4%461.8 KB 5.7%
nocem 102 0.2%13.8 KB 0.2%
TOTAL: 5 45476 100.0%7.9 MB100.0%

History cache:

ReasonCount%Count
Positive hits 107207 65.8%
Negative hits 37789 23.2%
Do not exist 17263 10.6%
Cache misses 674 0.4%
TOTAL: 4 162933 100.0%

innd timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
artcncl/perl00:00:00.008 0.0%21 0.000 0.381 1.000
article cancel00:00:00.000 0.0%41 0.000 0.000 0.000
article cleanup00:00:00.163 0.0%17263 0.000 0.009 0.035
article logging00:00:00.224 0.0%17303 0.000 0.013 0.042
article parse00:00:00.774 0.0%53406 0.000 0.014 0.033
article write00:00:02.358 0.0%13811 0.072 0.171 0.739
artlog/artcncl/perl00:00:00.002 0.0%21 0.000 0.095 1.000
artlog/artparse00:00:00.000 0.0%0 0.000 0.000 0.000
data move00:00:00.292 0.0%183027 0.000 0.002 0.006
hisgrep/artcncl/perl00:00:00.000 0.0%21 0.000 0.000 0.000
hisgrep/perl00:00:00.008 0.0%61 0.000 0.131 0.667
hishave/artcncl/perl00:00:00.001 0.0%21 0.000 0.048 1.000
hishave/artparse00:00:00.000 0.0%0 0.000 0.000 0.000
history grep00:00:00.000 0.0%0 0.000 0.000 0.000
history lookup00:00:00.916 0.0%162912 0.001 0.006 0.019
history sync00:00:00.180 0.0%369 0.000 0.488 5.667
history write00:00:01.413 0.0%17263 0.023 0.082 0.185
hiswrite/artparse00:00:00.000 0.0%0 0.000 0.000 0.000
idle21:49:21.836 99.1%184048 212.466 426.855 975.477
nntp read00:00:04.128 0.0%184635 0.008 0.022 0.057
overview write00:00:01.929 0.0%13811 0.036 0.140 0.435
perl filter00:00:26.752 0.0%17263 1.109 1.550 2.138
python filter00:00:00.690 0.0%17263 0.007 0.040 0.111
site send00:00:01.551 0.0%27722 0.006 0.056 0.195
TOTAL: 2421:50:03.225 99.2%----

innfeed timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
article new00:00:00.042 0.0%15874 0.000 0.003 0.021
article prepare00:00:00.023 0.0%136402 0.000 0.000 0.003
article read00:00:01.035 0.0%13513 0.000 0.077 0.824
backlog stats00:00:00.365 0.0%320915 0.000 0.001 0.003
callbacks00:00:00.000 0.0%0 0.000 0.000 0.000
data read00:00:18.808 0.0%197402 0.007 0.095 0.342
data write00:00:04.167 0.0%188710 0.007 0.022 0.118
idle22:01:07.422 99.9%320915 105.475 247.004 533.010
status file00:00:00.350 0.0%687 0.000 0.509 4.000
TOTAL: 922:01:32.212 99.9%----

nnrpd timer:

Code regionTimePctInvokedMin(ms)Avg(ms)Max(ms)
idle22:04:46.909 97.9%10966 65.000 7248.487 10232.000
newnews00:00:00.000 0.0%0 0.000 0.000 0.000
nntpwrite00:28:15.912 2.1%23987281 0.000 0.071 2.385
TOTAL: 322:33:02.821100.0%----

Control commands to innd:

CommandNumber
mode 132
reload 660
TOTAL: 2 792

Incoming feeds (innd):

ServerConnectsOfferedTakenRefusedReject%AccptElapsed
1goja-out.feeder.erje.net 1078 28110 8062 19522 526 28%97:54:12
2goja-out.news.weretis.net 3 15795 2303 13198 294 14%44:23:00
3news.nntp4.net 1 12297 1072 11115 110 8%24:17:26
4newsfeed.bofh.team 11 17118 864 13815 2439 5%41:55:47
5news.chmurka.net 2 9693 383 9310 0 3%42:35:12
6news.samoylyk.net 1 5911 322 5587 2 5%17:49:53
7news.quux.org 4 9036 291 8744 1 3%29:14:15
8newsfeed.endofthelinebbs.com 1 3292 259 3024 9 7%17:48:07
9pasdenom.info 2 3705 147 3553 5 3%23:59:40
10news.furie.org.uk 3 5884 67 5817 0 1%30:39:24
11news.1d4.us 1 1783 24 1738 21 1%11:10:30
12nntp.terraraq.uk 1 2080 18 2061 1 0%18:16:42
13goja-out.news.tnetconsulting.net 1 3469 15 3454 0 0%23:57:03
14news.bbs.nz 2 8124 6 8118 0 0%23:58:42
15newsfeed.dotsrc.org 218 910 5 905 0 0%22:00:18
TOTAL: 15 1329 127207 13838 109961 3408 10%470:00:11
Articles received by server

Incoming volume (innd):

ServerAcceptVolDupVolRejVolTotalVol%AccVol/Art
1goja-out.feeder.erje.net28.1 MB0.0 KB2.1 MB30.3 MB 92%3.6 KB
2goja-out.news.weretis.net6.5 MB0.0 KB635.9 KB7.1 MB 91%2.8 KB
3news.nntp4.net1.8 MB0.0 KB1.4 MB3.3 MB 56%2.8 KB
4newsfeed.bofh.team1.7 MB0.0 KB83.3 MB85.0 MB 1%26.4 KB
5news.samoylyk.net1.4 MB0.0 KB3.2 KB1.4 MB 99%4.5 KB
6newsfeed.endofthelinebbs.com1.4 MB0.0 KB20.3 KB1.4 MB 98%5.3 KB
7news.chmurka.net1.2 MB0.0 KB0.0 KB1.2 MB100%3.2 KB
8pasdenom.info416.9 KB0.0 KB6.1 KB423.0 KB 98%2.8 KB
9news.quux.org302.7 KB0.0 KB1.8 KB304.6 KB 99%1.0 KB
10news.furie.org.uk179.8 KB0.0 KB0.0 KB179.8 KB100%2.7 KB
11newsfeed.dotsrc.org165.5 KB0.0 KB0.0 KB165.5 KB100%33.1 KB
12news.1d4.us115.6 KB0.0 KB25.0 KB140.6 KB 82%3.1 KB
13nntp.terraraq.uk53.5 KB0.0 KB2.7 KB56.2 KB 95%3.0 KB
14goja-out.news.tnetconsulting.net41.9 KB0.0 KB0.0 KB41.9 KB100%2.8 KB
15news.bbs.nz19.3 KB0.0 KB0.0 KB19.3 KB100%3.2 KB
TOTAL: 1543.4 MB0.0 KB87.6 MB131.0 MB 33%7.8 KB
Incoming volume received by server

Incoming articles (innd):

DateArticles%ArtsArt/secSize%SizeKB/sec
Feb 12 00:03:17 - 00:59:59 507 3.5% 0.151.1 MB 2.4% 0.32
Feb 12 01:00:00 - 01:59:59 467 3.3% 0.13983.3 KB 2.2% 0.27
Feb 12 02:00:00 - 02:59:59 468 3.3% 0.131.1 MB 2.5% 0.31
Feb 12 03:00:00 - 03:59:59 439 3.1% 0.12933.8 KB 2.1% 0.26
Feb 12 04:00:00 - 04:59:59 471 3.3% 0.131.1 MB 2.4% 0.31
Feb 12 05:00:00 - 05:59:59 448 3.1% 0.12905.8 KB 2.0% 0.25
Feb 12 06:00:00 - 06:59:59 507 3.5% 0.141.2 MB 2.8% 0.35
Feb 12 07:00:00 - 07:59:59 462 3.2% 0.131.3 MB 3.0% 0.38
Feb 12 08:00:00 - 08:59:59 614 4.3% 0.171.9 MB 4.3% 0.55
Feb 12 09:00:00 - 09:59:59 708 4.9% 0.203.1 MB 7.1% 0.89
Feb 12 10:00:00 - 10:59:59 733 5.1% 0.203.3 MB 7.4% 0.92
Feb 12 11:00:00 - 11:59:59 643 4.5% 0.181.4 MB 3.2% 0.40
Feb 12 12:00:00 - 12:59:59 726 5.1% 0.202.4 MB 5.5% 0.69
Feb 12 13:00:00 - 13:59:59 659 4.6% 0.182.1 MB 4.8% 0.60
Feb 12 14:00:00 - 14:59:59 691 4.8% 0.192.1 MB 4.7% 0.59
Feb 12 15:00:00 - 15:59:59 892 6.2% 0.255.0 MB 11.4% 1.43
Feb 12 16:00:00 - 16:59:59 698 4.9% 0.191.8 MB 4.1% 0.51
Feb 12 17:00:00 - 17:59:59 680 4.8% 0.192.4 MB 5.5% 0.69
Feb 12 18:00:00 - 18:59:59 695 4.9% 0.191.7 MB 3.8% 0.48
Feb 12 19:00:00 - 19:59:59 714 5.0% 0.202.6 MB 5.8% 0.73
Feb 12 20:00:00 - 20:59:59 710 5.0% 0.202.3 MB 5.3% 0.66
Feb 12 21:00:00 - 21:59:59 698 4.9% 0.191.4 MB 3.2% 0.40
Feb 12 22:00:00 - 23:00:00 682 4.8% 0.192.0 MB 4.6% 0.58
TOTAL: 22:56:43 14312 100.0% 0.1744.2 MB 100.0% 0.55
Incoming articles
Incoming articles (size)

Sites sending bad articles:

ServerTotalGroupDistDuplicUnappTooOldSiteLineOther
1newsfeed.bofh.team 2661 8 0 0 0 0 0 0 2653
2goja-out.feeder.erje.net 551 199 0 0 0 0 0 0 352
3goja-out.news.weretis.net 337 97 0 0 0 0 0 0 240
4news.nntp4.net 98 64 0 0 0 0 0 0 34
5news.1d4.us 74 4 0 0 0 0 0 0 70
6newsfeed.endofthelinebbs.com 27 12 0 0 0 0 0 0 15
7news.samoylyk.net 4 2 0 0 0 0 0 0 2
8pasdenom.info 2 0 0 0 0 0 0 0 2
9news.quux.org 1 0 0 0 0 0 0 0 1
TOTAL: 9 3755 386 0 0 0 0 0 0 3369

Unwanted newsgroups [Top 20]:

NewsgroupCount
lada.talk 113
linux.kernel.netdev 100
linux.kernel.git 53
fido7.lorapvt.horo 12
hispagatos.hacking.ransomware 12
hispagatos.mastodon.tag.hacking 12
fido7.ukrnews 11
fido7.pushkin.local 10
spline.eisfair 9
fido7.f715.techinfo 8
fido7.fidonet.online 6
fido7.crimea.robots 5
hispagatos.hacking.news 4
it-alt.sport.calcio.juventus 4
al.christnet.bible 3
fido7.nodex.tech 3
alt.binaries.dvd.covers 2
alt.binaries.pictures.young.celebrities 2
chat 2
fido7.altyn.local 2
TOTAL: 32 386

Perl filter (innd) [Top 20]:

ReasonCount
Binary: misplaced binary 1834
Too many newsgroups (low_xpost) 579
EMP (phn path) 372
EMP (md5) 175
Too many newsgroups 49
Too many newsgroups (meow) 15
Angle-bracket bot 12
HTML Multipart 5
Cancel of <10mlhk9$1qirm$1@dont-email.me> without Cancel-Key 1
Cancel of non-existing ID <10i3nb7$17cg5$1@dont-email.me> 1
Cancel of non-existing ID <10ibkp4$3ing6$1@dont-email.me> 1
Cancel of non-existing ID <10jgfjn$2tvqj$1@nntp.eternal-september.org> 1
Cancel of non-existing ID <10m57se$cbqi$1@dont-email.me> 1
Cancel of non-existing ID <10mfu7s$3ssc3$1@dont-email.me> 1
Cancel of non-existing ID <10mhba1$ap16$1@dont-email.me> 1
Cancel of non-existing ID <10mhemi$br0p$1@dont-email.me> 1
Cancel of non-existing ID <10mhfaf$c0t1$1@dont-email.me> 1
Cancel of non-existing ID <10mhimr$dr4r$1@dont-email.me> 1
Cancel of non-existing ID <10mhoml$gqlp$1@dont-email.me> 1
Cancel of non-existing ID <10mhqe9$hcrq$1@dont-email.me> 1
TOTAL: 28 3061

NoCeM on spool:

Issuer (type)NoticesBad PGPCancelSkipTotal
nocem@eternal-september.org (misplaced_binary)300026972697
robot@pasdenom.info (spam2)46005656
robot@pasdenom.info (spam3)7004040
robot@pasdenom.info (spam4)50099
TOTAL: 4880028022802

Miscellaneous innd statistics [Top 10]:

EventServerNumber
Bad command received
newsfeed.dotsrc.org 28
TOTAL: 1 28
Including strange strings
goja-out.news.weretis.net 20
newsfeed.endofthelinebbs.com 14
goja-out.feeder.erje.net 5
newsfeed.bofh.team 4
TOTAL: 4 43
TOTAL: 2 71

Outgoing feeds (innfeed) by articles:

ServerOfferedTakenRefusedRejectMissSpool%TookElapsed
1news.bbs.nz 20380 5896 7786 66 0 412 28%22:03:13
2news.chmurka.net 13098 5841 4874 6 0 0 44%21:59:40
3newsfeed.dotsrc.org 8769 4653 1015 2481 1 376 53%22:01:04
4news.1d4.us 9474 4358 3660 11 0 22 45%21:56:11
5news.furie.org.uk 1872 1024 658 2 0 0 54%21:59:30
6nntp.terraraq.uk 6241 724 3182 773 0 232 11%21:56:35
7news.quux.org 13316 351 7545 51 0 128 2%21:53:05
8newsfeed.bofh.team 7919 350 6708 0 0 0 4%22:01:44
9pasdenom.info 11660 298 6020 514 0 57 2%22:00:30
10news.nntp4.net 15692 283 6878 5519 0 2 1%21:59:04
11feeder.erje.net 6484 226 5372 58 0 7 3%21:55:31
12news.samoylyk.net 12841 127 7542 5 0 9 0%21:55:11
13tnetconsulting.net 13383 69 7751 301 0 391 0%21:38:34
14weretis.net 7005 42 5573 0 0 4 0%21:57:12
15newsfeed.endofthelinebbs.com 14257 21 7818 21 0 423 0%22:02:30
16i2pn.org 0 0 0 0 0 8132 0%22:00:07
17peer.alt119.net 0 0 0 0 0 13787 0%22:00:04
TOTAL: 17 162391 24263 82382 9808 1 23982 14%373:19:45
Outgoing feeds (innfeed) by articles

Outgoing feeds (innfeed) by volume:

ServerAcceptVolRejectVolTotalVolVolume/secVol/ArtElapsed
1news.chmurka.net22.0 MB118.4 KB22.2 MB0.3 KB/s3.9 KB21:59:40
2news.bbs.nz17.0 MB207.3 KB17.2 MB0.2 KB/s3.0 KB22:03:13
3news.1d4.us11.1 MB56.5 KB11.1 MB0.1 KB/s2.6 KB21:56:11
4newsfeed.dotsrc.org8.0 MB8.8 MB16.8 MB0.2 KB/s2.4 KB22:01:04
5news.furie.org.uk3.4 MB1.6 KB3.4 MB0.0 KB/s3.4 KB21:59:30
6nntp.terraraq.uk2.0 MB1.9 MB4.0 MB0.1 KB/s2.7 KB21:56:35
7news.quux.org1.2 MB89.0 KB1.3 MB0.0 KB/s3.3 KB21:53:05
8pasdenom.info1.2 MB646.3 KB1.8 MB0.0 KB/s2.3 KB22:00:30
9newsfeed.bofh.team1012.7 KB0.0 KB1012.7 KB0.0 KB/s2.9 KB22:01:44
10news.nntp4.net704.2 KB21.6 MB22.3 MB0.3 KB/s3.9 KB21:59:04
11tnetconsulting.net507.0 KB616.0 KB1.1 MB0.0 KB/s3.0 KB21:38:34
12feeder.erje.net461.3 KB406.8 KB868.1 KB0.0 KB/s3.1 KB21:55:31
13news.samoylyk.net294.9 KB8.8 KB303.7 KB0.0 KB/s2.3 KB21:55:11
14newsfeed.endofthelinebbs.com194.8 KB42.7 KB237.5 KB0.0 KB/s5.7 KB22:02:30
15weretis.net114.5 KB0.0 KB114.5 KB0.0 KB/s2.7 KB21:57:12
16i2pn.org0.0 KB0.0 KB0.0 KB0.0 KB/s022:00:07
17peer.alt119.net0.0 KB0.0 KB0.0 KB0.0 KB/s022:00:04
TOTAL: 1769.2 MB34.5 MB103.6 MB0.1 KB/s3.1 KB373:19:45
Outgoing feeds (innfeed) by volume

NNRP readership statistics [Top 100]:

SystemConnArtsSizeGroupsPostRejElapsed
1toma-03.stehlik.co.uk 374 00.0 KB 0 0 022:07:50
22a03:cfc0:8000:b::c303:dce8 264 00.0 KB 0 0 000:20:36
3116.153.132.66.censys-scanner.com 4 00.0 KB 0 0 000:00:14
4150.154.45.199.censys-scanner.com 4 00.0 KB 0 0 000:00:16
539.138.94.167.censys-scanner.com 4 00.0 KB 0 0 000:00:15
655.146.94.167.censys-scanner.com 4 00.0 KB 0 0 000:00:13
766.61.98.95 4 00.0 KB 0 0 000:02:59
8azpdcgiid2di.stretchoid.com 2 00.0 KB 0 0 000:00:10
9205.210.31.40 1 00.0 KB 0 0 000:00:00
10205.210.31.66 1 00.0 KB 0 0 000:00:04
11207.90.244.28 1 00.0 KB 0 0 000:00:01
122a06:4882:3000::49 1 00.0 KB 0 0 000:00:01
13gordon.probe.onyphe.net 1 00.0 KB 0 0 000:00:00
14mcleod.probe.onyphe.net 1 00.0 KB 0 0 000:00:02
15o002.scanner.modat.io 1 00.0 KB 0 0 000:00:00
16zl-dala-us-gp1-wk120d.internet-census.org 1 00.0 KB 0 0 000:00:10
TOTAL: 16 668 00.0 KB 0 0 022:32:59

NNRP connection statistics (by domain) [Top 100]:

SystemConnArtsSizeGroupsPostRejElapsed
1*.stehlik.co.uk 374 00.0 KB 0 0 022:07:50
2unresolved 272 00.0 KB 0 0 000:23:44
3*.167.censys-scanner.com 8 00.0 KB 0 0 000:00:29
4*.199.censys-scanner.com 4 00.0 KB 0 0 000:00:16
5*.66.censys-scanner.com 4 00.0 KB 0 0 000:00:14
6*.probe.onyphe.net 2 00.0 KB 0 0 000:00:03
7*.stretchoid.com 2 00.0 KB 0 0 000:00:10
8*.internet-census.org 1 00.0 KB 0 0 000:00:10
9*.scanner.modat.io 1 00.0 KB 0 0 000:00:00
TOTAL: 9 668 00.0 KB 0 0 022:32:59

NNRP total resource statistics [Top 20]:

SystemUser(ms)System(ms)Idle(ms)Elapsed
toma-03.stehlik.co.uk 31.232 19.773 12.86522:07:50
2a03:cfc0:8000:b::c303:dce8 20.141 12.494 0.00000:20:36
66.61.98.95 0.300 0.200 23.70200:02:59
150.154.45.199.censys-scanner.com 0.183 0.045 0.00000:00:16
39.138.94.167.censys-scanner.com 0.209 0.040 0.00000:00:15
116.153.132.66.censys-scanner.com 0.162 0.069 0.00000:00:14
55.146.94.167.censys-scanner.com 0.161 0.066 0.00000:00:13
zl-dala-us-gp1-wk120d.internet-census.org 0.044 0.019 0.00000:00:10
azpdcgiid2di.stretchoid.com 0.081 0.032 0.00000:00:10
205.210.31.66 0.050 0.007 0.00000:00:04
mcleod.probe.onyphe.net 0.042 0.017 0.00000:00:02
2a06:4882:3000::49 0.054 0.016 0.00000:00:01
207.90.244.28 0.056 0.008 0.00000:00:01
205.210.31.40 0.061 0.000 0.00000:00:00
o002.scanner.modat.io 0.037 0.030 0.00000:00:00
gordon.probe.onyphe.net 0.051 0.008 0.00000:00:00
TOTAL: 16 52.864 32.824 36.56722:32:59

NNRP unrecognized commands (by host) [Top 20]:

SystemConn
gordon.probe.onyphe.net 3
azpdcgiid2di.stretchoid.com 1
TOTAL: 2 4

NNRP unrecognized commands (by command) [Top 20]:

CommandCount
?$?,?r?s?^S^B^S^A?^T?^G?^R?^S?'?/?^T?(?0?`?a... 1
MGLNDD_116.202.108.142_119 1
^V^C^C^A?^A 1
}92i%^O?* 1
TOTAL: 4 4

NNRP client timeouts [Top 20]:

SystemConnPeer
116.153.132.66.censys-scanner.com 1 4
150.154.45.199.censys-scanner.com 1 3
39.138.94.167.censys-scanner.com 1 3
55.146.94.167.censys-scanner.com 1 3
TOTAL: 4 4 16