195     if (aHeader.GetDestination().IsMulticastLargerThanRealmLocal() &&  in PrepareMulticastToLargerThanRealmLocal()
196         Get<ChildTable>().HasSleepyChildWithAddress(aHeader.GetDestination()))  in PrepareMulticastToLargerThanRealmLocal()
215     tunnelHeader.GetDestination().SetToRealmLocalAllMplForwarders();  in PrepareMulticastToLargerThanRealmLocal()
218     source = SelectSourceAddress(tunnelHeader.GetDestination());  in PrepareMulticastToLargerThanRealmLocal()
234     if (aHeader.GetDestination().IsMulticastLargerThanRealmLocal())  in InsertMplOption()
240     VerifyOrExit(aHeader.GetDestination().IsRealmLocalMulticast());  in InsertMplOption()
458 …  Checksum::UpdateMessageChecksum(aMessage, header.GetSource(), header.GetDestination(), aIpProto);  in SendDatagram()
648 …uffer.GetSource() == header.GetSource() && headerBuffer.GetDestination() == header.GetDestination(…  in HandleFragment()
770     messageInfo.SetSockAddr(header.GetDestination());  in SendIcmpError()
877     messageInfo.SetSockAddr(aIp6Header.GetDestination());  in Receive()
960             if (mIcmp.ShouldHandleEchoRequest(aHeader.GetDestination()))  in PassToHost()
1023     if (aHeader.GetDestination().IsMulticastLargerThanRealmLocal() &&  in PassToHost()
1053             Get<Mle::Mle>().IsMeshLocalAddress(header.GetDestination()))  in SendRaw()
1059     if (header.GetDestination().IsMulticast())  in SendRaw()
1091 …VerifyOrExit(!header.GetSource().IsLoopback() && !header.GetDestination().IsLoopback(), error = kE…  in HandleDatagram()
1097     if (header.GetDestination().IsMulticast())  in HandleDatagram()
1104 …if (aMessagePtr->IsOriginThreadNetif() && header.GetDestination().IsMulticastLargerThanRealmLocal(…  in HandleDatagram()
1105             Get<ChildTable>().HasSleepyChildWithAddress(header.GetDestination()))  in HandleDatagram()
1115             Get<ThreadNetif>().IsMulticastSubscribed(header.GetDestination()))  in HandleDatagram()
1124         if (Get<ThreadNetif>().HasUnicastAddress(header.GetDestination()))  in HandleDatagram()
1128 …     else if (!aMessagePtr->IsOriginThreadNetif() || !header.GetDestination().IsLinkLocalUnicast())  in HandleDatagram()
1130             if (header.GetDestination().IsLinkLocalUnicast())  in HandleDatagram()
1134             else if (IsOnLink(header.GetDestination()))  in HandleDatagram()
1138 …              !Get<BackboneRouter::Manager>().ShouldForwardDuaToBackbone(header.GetDestination()));  in HandleDatagram()
1143             else if (RouteLookup(header.GetSource(), header.GetDestination()) == kErrorNone)  in HandleDatagram()
1411     VerifyOrExit(!aHeader.GetDestination().IsLinkLocalUnicast());  in UpdateBorderRoutingCounters()
1413     VerifyOrExit(!Get<Mle::Mle>().IsMeshLocalAddress(aHeader.GetDestination()));  in UpdateBorderRoutingCounters()
1419 …    if (!aHeader.GetSource().MatchesPrefix(aHeader.GetDestination().GetPrefix().m8, kPrefixLength))  in UpdateBorderRoutingCounters()
1424         if (aHeader.GetDestination().IsMulticast())  in UpdateBorderRoutingCounters()
1426             VerifyOrExit(aHeader.GetDestination().IsMulticastLargerThanRealmLocal());  in UpdateBorderRoutingCounters()
1436         VerifyOrExit(!Get<Netif>().HasUnicastAddress(aHeader.GetDestination()));  in UpdateBorderRoutingCounters()
1438 …    if (!aHeader.GetSource().MatchesPrefix(aHeader.GetDestination().GetPrefix().m8, kPrefixLength))  in UpdateBorderRoutingCounters()
1443         if (aHeader.GetDestination().IsMulticast())  in UpdateBorderRoutingCounters()
1445             VerifyOrExit(aHeader.GetDestination().IsMulticastLargerThanRealmLocal());  in UpdateBorderRoutingCounters()