import socket, struct

def icmp_checksum(data):
    s = 0
    for i in range(0, len(data), 2):
        w = (data[i] << 8) + (data[i+1] if i+1 < len(data) else 0)
        s += w
    s = (s >> 16) + (s & 0xffff)
    s += (s >> 16)
    return ~s & 0xffff

def icmp_ping(ip, timeout=0.3):
    try:
        sock = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_ICMP)
        sock.settimeout(timeout)
        hdr = struct.pack("bbHHh", 8, 0, 0, 1, 1)
        cs = icmp_checksum(hdr + b"X")
        hdr = struct.pack("bbHHh", 8, 0, cs, 1, 1)
        sock.sendto(hdr + b"X", (ip, 1))
        sock.recv(1024)
        return True
    except: return False
    finally:
        try: sock.close()
        except: pass

# Scan the pod subnet
live = []
for i in range(1, 255):
    ip = f"10.112.184.{i}"
    if icmp_ping(ip): live.append(ip)

print("LIVE:", live)