diff --git a/data/as-set/AS4242422308:AS-TRANSIT b/data/as-set/AS4242422308:AS-TRANSIT
new file mode 100644
index 000000000..fdcf46997
--- /dev/null
+++ b/data/as-set/AS4242422308:AS-TRANSIT
@@ -0,0 +1,61 @@
+as-set:             AS4242422308:AS-TRANSIT
+admin-c:            MIRSAL-DN42
+tech-c:             MIRSAL-DN42
+mnt-by:             MIRSAL-MNT
+remarks:            LUTOMA-AS
+members:            AS64719
+remarks:            AS-BANDURA-NEO
+members:            AS4201272923
+remarks:            FURRY-AS
+members:            AS4242420088
+remarks:            PIVIPI-NET
+members:            AS4242420129
+remarks:            ROUTEDBITS
+members:            AS4242420207
+remarks:            AS-FLISK-DN42
+members:            AS4242420390
+remarks:            TILDE-GREEN-AS
+members:            AS4242420953
+remarks:            HIGHDEF-AS
+members:            AS4242421080
+remarks:            AS-PFXLABS-DN42
+members:            AS4242421240
+remarks:            TECH9 CORE NETWORK
+members:            AS4242421588
+remarks:            POTAT0-AS
+members:            AS4242421816
+remarks:            IMLONGHAO-AS
+members:            AS4242421888
+remarks:            LUOYU-AS
+members:            AS4242421999
+remarks:            AS-9PFS-DN42
+members:            AS4242422002
+remarks:            OptiStream
+members:            AS4242422096
+remarks:            IEDON-NET-AS
+members:            AS4242422189
+remarks:            MARAUN-AS
+members:            AS4242422225
+remarks:            MUNSTERNET-AS
+members:            AS4242422237
+remarks:            LABOLYON-NETWORK
+members:            AS4242422318
+remarks:            VINISHOR-AS
+members:            AS4242422561
+remarks:            ANDROW-AS
+members:            AS4242422575
+remarks:            Chaox-Network
+members:            AS4242422596
+remarks:            JK-NETWORK
+remarks:            AS4242422717
+remarks:            AS-BANDURA-DN42
+members:            AS4242422923
+remarks:            AS-LARE-DN42
+members:            AS4242423035
+remarks:            TATK-NETWORK
+members:            AS4242423152
+remarks:            Kioubit Network
+members:            AS4242423914
+remarks:            COWGL-AS
+members:            AS4242423999
+source:             DN42
diff --git a/data/aut-num/AS4242422308 b/data/aut-num/AS4242422308
index 26957989f..c241f3832 100644
--- a/data/aut-num/AS4242422308
+++ b/data/aut-num/AS4242422308
@@ -1,8 +1,23 @@
 aut-num:            AS4242422308
 as-name:            MIRSAL-AS
-descr:              Mirsal home AS
+descr:              MIRSAL DN42 TRANSIT NETWORK
 remarks:            Open peering policy, e-mail <mirsal+dn42@mirsal.fr>
-remarks:            new peerings require a BGP session with IPv6
+remarks:            MP-BGP over IPv6 link-local is preferred
+remarks:            IPv4 is supported with extended next hop over IPv6 LL
+remarks:            IPv6 channel is required for peering
+remarks:            Strict ROA filtering is applied to all imported routes
+remarks:            
+remarks:            peering information:
+remarks:            * https://mirsal.dn42/        (DN42)
+remarks:            * https://dn42.mirsal.fr/     (clearnet IPv6 only)
+remarks:            
+remarks:            looking glass:
+remarks:            * https://lg.mirsal.dn42/     (DN42)
+remarks:            * https://lg.dn42.mirsal.fr/  (clearnet IPv6 only)
+remarks:            
+mp-import:          afi any.unicast from AS-ANY accept ANY
+mp-export:          afi any.unicast to AS-ANY announce AS4242422308
+mp-export:          afi any.unicast to AS4242422308:AS-TRANSIT announce ANY
 admin-c:            MIRSAL-DN42
 tech-c:             MIRSAL-DN42
 mnt-by:             MIRSAL-MNT