diff --git a/build/misc.tcl b/build/misc.tcl
index 06089f4e..d95a4b1a 100644
--- a/build/misc.tcl
+++ b/build/misc.tcl
@@ -844,6 +844,10 @@ expect ":KILL"
 respond "*" ":midas sys3;ts chasta_chsgtv;chasta\r"
 expect ":KILL"
 
+# CHATAB
+respond "*" ":midas sys3;ts chatab_sysen1;chatab\r"
+expect ":KILL"
+
 # STYLOG
 respond "*" ":midas sys2;ts stylog_sysen1;stylog\r"
 expect ":KILL"
diff --git a/doc/programs.md b/doc/programs.md
index 99203ef3..537a320c 100644
--- a/doc/programs.md
+++ b/doc/programs.md
@@ -41,6 +41,7 @@
 - CHARFC/CHARFS, Chaos RFC.
 - CHASE, a 2-player maze game.
 - CHASTA, print Chaos NCP state.
+- CHATAB, print information on Chaosnet hosts.
 - CHATST, Chaos test.
 - CHESS, unknown chess program.
 - CHESS2, Alan Baisley's Tech II chess program.
diff --git a/src/sysen1/chatab.7 b/src/sysen1/chatab.7
new file mode 100755
index 00000000..96832154
--- /dev/null
+++ b/src/sysen1/chatab.7
@@ -0,0 +1,144 @@
+;-*- MIDAS -*-
+
+title CHATAB -- print information on CHAOS hosts
+
+x=:0
+a=:1
+b=:2
+c=:3
+d=:4
+e=:5
+t=:10
+tt=:11
+bp=:12
+hstc=:13
+tyoc=:14
+p=:17
+
+call=:pushj p,
+ret=:popj p,
+
+nw%lcs==:22			;LCSnet
+nw%dln==:26			;Dialnet
+
+
+$$ARPA==1			;Hack the ARPAnet
+$$CHAOS==1			;Hack the CHAOSnet
+$$ALLNET==1			;Lookup routines will handle any host
+$$HOSTNM==1			;Host name lookup routines
+$$SYMLOOK==1
+$$HSTMAP==1
+hstpag==:50			;Page to put host table on
+hsttab=:hstpag*2000
+
+pat::
+patch:	block 100
+
+.insrt syseng;netwrk >
+
+popj1:	aos (p)
+cpopj:	ret
+
+define SYSCAL op,args
+       .call [setz ? sixbit /op/ ? args((SETZ))]
+termin
+
+define TYPE &str
+	movei bp,[asciz str]
+	call typstr
+termin
+
+;Type an ASCIZ string
+typstr:	hrli bp,440700
+typst0:	ildb t,bp
+	jumpe t,cpopj
+	.iot tyoc,t
+	jrst typst0
+
+pdl:	-100,,pdl
+	block 100
+
+jclbuf:	block 100
+	-1
+
+go:	move p,pdl		;Set up PDL
+go1:	movei a,hstpag		;Page to put
+	movei b,hstc		;channel to use to load
+	call netwrk"hstmap	;Map in HOSTS2
+	  jrst failed
+	syscal OPEN,[%clbit,,.uao ? %climm,,tyoc ? [sixbit /TTY/]]
+	  .lose %lsfil
+	move d,hsttab+netwrk"netptr  ;Get ptr to network table
+	move t,hsttab(d)	   ;get # of entries
+	move tt,hsttab+1(d)	   ;Get size of entries
+	movei d,2(d)		   ;first network table entry
+	movei a,netwrk"nw%chs
+netlop:	camn a,hsttab+netwrk"netnum(d)	   ;Is this the CHAOS network?
+	  jrst netfnd		   ;  yep
+	add d,tt		   ;Next entry
+	sojg t,netlop
+	.lose
+
+netfnd:	hrrz d,hsttab+netwrk"ntrtab(d)	;Get address-table ptr
+	move b,hsttab(d)	   ;get # of entries
+	move c,hsttab+1(d)	   ;get size of entries
+	movei d,2(d)		   ;Get ptr to first entry
+chalop:	hlrz a,hsttab+netwrk"adlsit(d)	;Get SITE table entry
+	hlrz bp,hsttab+netwrk"stlnam(a)	;Get ptr of name
+	movei bp,hsttab(bp)	   ;get core address of name
+	call typstr		   ;type the name
+	type /  /
+	hrrz bp,hsttab+netwrk"strmch(a)	;Get machine name
+	skipn bp
+	  movei bp,[asciz /Unknown/]-hsttab
+	movei bp,hsttab(bp)
+	call typstr
+	.iot tyoc,["/]
+	hlrz bp,hsttab+netwrk"stlsys(a)
+	skipn bp
+	  movei bp,[asciz /Unknown/]-hsttab
+	movei bp,hsttab(bp)
+	call typstr
+	type /  /
+	movei bp,[asciz /(SERVER)/]
+	skipl hsttab+netwrk"stlflg(a)
+	  movei bp,[asciz /(USER)/]
+	call typstr
+	
+	move a,hsttab+netwrk"addadr(d)	;Get address
+	setz x,			   ;Clear network #
+	dpb x,[netwrk"nw$byt,,a]
+
+	type / = /
+
+	call octtyp
+	type /   /
+	ldb a,[101000,,hsttab+netwrk"addadr(d)]
+	call octtyp
+	type \/\
+	ldb a,[001000,,hsttab+netwrk"addadr(d)]
+	call octtyp
+
+chanxt:	type /
+/
+	add d,c			   ;Next address
+	sojg b,chalop
+	.logout 1,
+
+octtyp:	move t,a
+octpnt:	setz tt,
+	lshc t,-3		   ;shift instead of IDIVI, don't forget
+	lsh tt,-41		   ;negative! 
+	push p,tt		   ;push remainder
+	skipe t			   ;done?
+	  call octpnt		   ;no compute next one
+
+octpn1:	pop p,tt		   ;yes, take out in opposite order
+	addi tt,60		   ;make ascii
+	.iot tyoc,tt
+	ret			   ;and return for the next one.
+
+failed:	type /Lookup failed.
+/
+	.logout 1,
+end go