diff --git a/.github/workflows/proto_num_filepull.yml b/.github/workflows/proto_num_filepull.yml
new file mode 100644
index 00000000..ced8694e
--- /dev/null
+++ b/.github/workflows/proto_num_filepull.yml
@@ -0,0 +1,56 @@
+---
+name: "Protocol-Number-Updates"
+
+on:   # yamllint disable-line rule:truthy
+  schedule:
+    - cron: "0 2 1 * *"
+
+jobs:
+  data_gathering:
+    runs-on: "ubuntu-latest"
+    env:
+      BRANCH_NAME: "PROTO_NUM_Updates"
+    steps:
+      # Checkout repo
+      - name: "Check out code"
+        uses: "actions/checkout@v2"
+        with:
+          ref: "develop"
+      # Delete old branch if it exists
+      - name: "Delete existing branch"
+        run: "git branch -D $BRANCH_NAME || true"
+      # Create branch for Flatbot
+      - name: "Create Flatbot branch"
+        run: "git checkout -b $BRANCH_NAME"
+      # Push new branch so Flatbot can make its commit
+      - name: "Push Flatbot branch"
+        run: "git push -f --set-upstream origin $BRANCH_NAME"
+      # Install Black
+      - name: "Install Python Black"
+        run: "pip install black"
+      # This step installs Deno, which is a new Javascript runtime that improves on Node. Can be used for an optional postprocessing step
+      - name: "Setup deno"
+        uses: "denoland/setup-deno@main"
+        with:
+          deno-version: "v1.10.x"
+      # The Flat Action step. We fetch the data in the http_url and save it as downloaded_filename
+      - name: "Fetch data"
+        uses: "githubocto/flat@v3"
+        with:
+          http_url: "https://www.iana.org/assignments/protocol-numbers/protocol-numbers-1.csv"
+          downloaded_filename: "./netutils/data_files/protocol_number_mappings.py"
+          postprocess: "./flat_postprocess/protocol_number_postprocess.ts"
+  pr_creation:
+    runs-on: "ubuntu-latest"
+    needs: "data_gathering"
+    steps:
+      # Checkout repo
+      - name: "Check out code"
+        uses: "actions/checkout@v2"
+        with:
+          ref: "PROTO_NUM_Updates"
+      # Create PR from branch created above into develop
+      - name: "Create a Pull Request"
+        run: "gh pr create -B develop -H PROTO_NUM_Updates --title 'Flatbot PROTOCOL Number File Updates' --body 'Created by Flatbot action'"
+        env:
+          GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
diff --git a/flat_postprocess/protocol_number_postprocess.py b/flat_postprocess/protocol_number_postprocess.py
new file mode 100644
index 00000000..54f50a44
--- /dev/null
+++ b/flat_postprocess/protocol_number_postprocess.py
@@ -0,0 +1,38 @@
+"""Python code used to postprocess Flat github action data related to Protocol mappings."""
+import csv
+import os
+import sys
+from urllib.request import urlopen
+
+
+if __name__ == "__main__":
+    if len(sys.argv) == 2:
+        URL = "https://www.iana.org/assignments/protocol-numbers/protocol-numbers-1.csv"
+        oui_textfile = urlopen(URL).read().decode("utf-8")  # nosec: pylint: disable=consider-using-with
+        with open(sys.argv[1], "w", encoding="utf-8") as proto_mappings:
+            proto_mappings.write(oui_textfile)
+
+    protocol_mapping = {}
+    reverse_mapping = {}
+    with open(sys.argv[1], encoding="utf-8") as file:
+        next(file)
+        reader = csv.reader(file)
+        for row in reader:
+            number = row[0]
+            name = row[1]
+            if not number.isnumeric():
+                continue
+            if not name:
+                continue
+            name = name.replace(" (deprecated)", "")
+            protocol_mapping[name] = int(number)
+            reverse_mapping[int(number)] = name
+
+    with open(sys.argv[1], "w", encoding="utf-8") as proto_mappings:
+        proto_mappings.write('"""Dictionary object to store Protocol Number."""\n')
+        proto_mappings.write("from typing import Dict\n")
+        proto_mappings.write(f"PROTO_NAME_TO_NUM: Dict[str, int] = {protocol_mapping}")
+        proto_mappings.write("\n")
+        proto_mappings.write(f"PROTO_NUM_TO_NAME: Dict[int, str] = {reverse_mapping}")
+
+    os.system(f"black {sys.argv[1]}")  # nosec
diff --git a/flat_postprocess/protocol_number_postprocess.ts b/flat_postprocess/protocol_number_postprocess.ts
new file mode 100644
index 00000000..75862cb9
--- /dev/null
+++ b/flat_postprocess/protocol_number_postprocess.ts
@@ -0,0 +1,7 @@
+// Forwards the execution to the python script
+const py_run = Deno.run({
+    // Run `python ./flat_postprocess/protocol_number_postprocess.py netutils/data_files/protocol_number_mappings.py` to test locally.
+    cmd: ["python", "./flat_postprocess/protocol_number_postprocess.py"].concat(Deno.args),
+});
+
+await py_run.status();
diff --git a/netutils/data_files/protocol_number_mappings.py b/netutils/data_files/protocol_number_mappings.py
new file mode 100644
index 00000000..f0b4d2d6
--- /dev/null
+++ b/netutils/data_files/protocol_number_mappings.py
@@ -0,0 +1,292 @@
+"""Dictionary object to store Protocol Number."""
+from typing import Dict
+
+PROTO_NAME_TO_NUM: Dict[str, int] = {
+    "HOPOPT": 0,
+    "ICMP": 1,
+    "IGMP": 2,
+    "GGP": 3,
+    "IPv4": 4,
+    "ST": 5,
+    "TCP": 6,
+    "CBT": 7,
+    "EGP": 8,
+    "IGP": 9,
+    "BBN-RCC-MON": 10,
+    "NVP-II": 11,
+    "PUP": 12,
+    "ARGUS": 13,
+    "EMCON": 14,
+    "XNET": 15,
+    "CHAOS": 16,
+    "UDP": 17,
+    "MUX": 18,
+    "DCN-MEAS": 19,
+    "HMP": 20,
+    "PRM": 21,
+    "XNS-IDP": 22,
+    "TRUNK-1": 23,
+    "TRUNK-2": 24,
+    "LEAF-1": 25,
+    "LEAF-2": 26,
+    "RDP": 27,
+    "IRTP": 28,
+    "ISO-TP4": 29,
+    "NETBLT": 30,
+    "MFE-NSP": 31,
+    "MERIT-INP": 32,
+    "DCCP": 33,
+    "3PC": 34,
+    "IDPR": 35,
+    "XTP": 36,
+    "DDP": 37,
+    "IDPR-CMTP": 38,
+    "TP++": 39,
+    "IL": 40,
+    "IPv6": 41,
+    "SDRP": 42,
+    "IPv6-Route": 43,
+    "IPv6-Frag": 44,
+    "IDRP": 45,
+    "RSVP": 46,
+    "GRE": 47,
+    "DSR": 48,
+    "BNA": 49,
+    "ESP": 50,
+    "AH": 51,
+    "I-NLSP": 52,
+    "SWIPE": 53,
+    "NARP": 54,
+    "Min-IPv4": 55,
+    "TLSP": 56,
+    "SKIP": 57,
+    "IPv6-ICMP": 58,
+    "IPv6-NoNxt": 59,
+    "IPv6-Opts": 60,
+    "CFTP": 62,
+    "SAT-EXPAK": 64,
+    "KRYPTOLAN": 65,
+    "RVD": 66,
+    "IPPC": 67,
+    "SAT-MON": 69,
+    "VISA": 70,
+    "IPCV": 71,
+    "CPNX": 72,
+    "CPHB": 73,
+    "WSN": 74,
+    "PVP": 75,
+    "BR-SAT-MON": 76,
+    "SUN-ND": 77,
+    "WB-MON": 78,
+    "WB-EXPAK": 79,
+    "ISO-IP": 80,
+    "VMTP": 81,
+    "SECURE-VMTP": 82,
+    "VINES": 83,
+    "IPTM": 84,
+    "NSFNET-IGP": 85,
+    "DGP": 86,
+    "TCF": 87,
+    "EIGRP": 88,
+    "OSPFIGP": 89,
+    "Sprite-RPC": 90,
+    "LARP": 91,
+    "MTP": 92,
+    "AX.25": 93,
+    "IPIP": 94,
+    "MICP": 95,
+    "SCC-SP": 96,
+    "ETHERIP": 97,
+    "ENCAP": 98,
+    "GMTP": 100,
+    "IFMP": 101,
+    "PNNI": 102,
+    "PIM": 103,
+    "ARIS": 104,
+    "SCPS": 105,
+    "QNX": 106,
+    "A/N": 107,
+    "IPComp": 108,
+    "SNP": 109,
+    "Compaq-Peer": 110,
+    "IPX-in-IP": 111,
+    "VRRP": 112,
+    "PGM": 113,
+    "L2TP": 115,
+    "DDX": 116,
+    "IATP": 117,
+    "STP": 118,
+    "SRP": 119,
+    "UTI": 120,
+    "SMP": 121,
+    "SM": 122,
+    "PTP": 123,
+    "ISIS over IPv4": 124,
+    "FIRE": 125,
+    "CRTP": 126,
+    "CRUDP": 127,
+    "SSCOPMCE": 128,
+    "IPLT": 129,
+    "SPS": 130,
+    "PIPE": 131,
+    "SCTP": 132,
+    "FC": 133,
+    "RSVP-E2E-IGNORE": 134,
+    "Mobility Header": 135,
+    "UDPLite": 136,
+    "MPLS-in-IP": 137,
+    "manet": 138,
+    "HIP": 139,
+    "Shim6": 140,
+    "WESP": 141,
+    "ROHC": 142,
+    "Ethernet": 143,
+    "AGGFRAG": 144,
+    "NSH": 145,
+    "Reserved": 255,
+}
+
+PROTO_NUM_TO_NAME: Dict[int, str] = {
+    0: "HOPOPT",
+    1: "ICMP",
+    2: "IGMP",
+    3: "GGP",
+    4: "IPv4",
+    5: "ST",
+    6: "TCP",
+    7: "CBT",
+    8: "EGP",
+    9: "IGP",
+    10: "BBN-RCC-MON",
+    11: "NVP-II",
+    12: "PUP",
+    13: "ARGUS",
+    14: "EMCON",
+    15: "XNET",
+    16: "CHAOS",
+    17: "UDP",
+    18: "MUX",
+    19: "DCN-MEAS",
+    20: "HMP",
+    21: "PRM",
+    22: "XNS-IDP",
+    23: "TRUNK-1",
+    24: "TRUNK-2",
+    25: "LEAF-1",
+    26: "LEAF-2",
+    27: "RDP",
+    28: "IRTP",
+    29: "ISO-TP4",
+    30: "NETBLT",
+    31: "MFE-NSP",
+    32: "MERIT-INP",
+    33: "DCCP",
+    34: "3PC",
+    35: "IDPR",
+    36: "XTP",
+    37: "DDP",
+    38: "IDPR-CMTP",
+    39: "TP++",
+    40: "IL",
+    41: "IPv6",
+    42: "SDRP",
+    43: "IPv6-Route",
+    44: "IPv6-Frag",
+    45: "IDRP",
+    46: "RSVP",
+    47: "GRE",
+    48: "DSR",
+    49: "BNA",
+    50: "ESP",
+    51: "AH",
+    52: "I-NLSP",
+    53: "SWIPE",
+    54: "NARP",
+    55: "Min-IPv4",
+    56: "TLSP",
+    57: "SKIP",
+    58: "IPv6-ICMP",
+    59: "IPv6-NoNxt",
+    60: "IPv6-Opts",
+    62: "CFTP",
+    64: "SAT-EXPAK",
+    65: "KRYPTOLAN",
+    66: "RVD",
+    67: "IPPC",
+    69: "SAT-MON",
+    70: "VISA",
+    71: "IPCV",
+    72: "CPNX",
+    73: "CPHB",
+    74: "WSN",
+    75: "PVP",
+    76: "BR-SAT-MON",
+    77: "SUN-ND",
+    78: "WB-MON",
+    79: "WB-EXPAK",
+    80: "ISO-IP",
+    81: "VMTP",
+    82: "SECURE-VMTP",
+    83: "VINES",
+    84: "IPTM",
+    85: "NSFNET-IGP",
+    86: "DGP",
+    87: "TCF",
+    88: "EIGRP",
+    89: "OSPFIGP",
+    90: "Sprite-RPC",
+    91: "LARP",
+    92: "MTP",
+    93: "AX.25",
+    94: "IPIP",
+    95: "MICP",
+    96: "SCC-SP",
+    97: "ETHERIP",
+    98: "ENCAP",
+    100: "GMTP",
+    101: "IFMP",
+    102: "PNNI",
+    103: "PIM",
+    104: "ARIS",
+    105: "SCPS",
+    106: "QNX",
+    107: "A/N",
+    108: "IPComp",
+    109: "SNP",
+    110: "Compaq-Peer",
+    111: "IPX-in-IP",
+    112: "VRRP",
+    113: "PGM",
+    115: "L2TP",
+    116: "DDX",
+    117: "IATP",
+    118: "STP",
+    119: "SRP",
+    120: "UTI",
+    121: "SMP",
+    122: "SM",
+    123: "PTP",
+    124: "ISIS over IPv4",
+    125: "FIRE",
+    126: "CRTP",
+    127: "CRUDP",
+    128: "SSCOPMCE",
+    129: "IPLT",
+    130: "SPS",
+    131: "PIPE",
+    132: "SCTP",
+    133: "FC",
+    134: "RSVP-E2E-IGNORE",
+    135: "Mobility Header",
+    136: "UDPLite",
+    137: "MPLS-in-IP",
+    138: "manet",
+    139: "HIP",
+    140: "Shim6",
+    141: "WESP",
+    142: "ROHC",
+    143: "Ethernet",
+    144: "AGGFRAG",
+    145: "NSH",
+    255: "Reserved",
+}
diff --git a/netutils/protocol_mapper.py b/netutils/protocol_mapper.py
index 74f9ea28..4f3bceef 100644
--- a/netutils/protocol_mapper.py
+++ b/netutils/protocol_mapper.py
@@ -2,6 +2,10 @@
 import typing as t
 
 from netutils.constants import PROTOCOLS
+from netutils.data_files.protocol_number_mappings import (  # noqa: F401 # pylint:disable=unused-import
+    PROTO_NAME_TO_NUM,
+    PROTO_NUM_TO_NAME,
+)
 
 
 def _number_to_name_mapper(proto: str) -> t.Dict[int, str]:
@@ -46,134 +50,3 @@ def _number_to_name_mapper(proto: str) -> t.Dict[int, str]:
 
 # DCCP port name to number mapping
 DCCP_NAME_TO_NUM = {value: key for (key, value) in DCCP_NUM_TO_NAME.items()}
-
-"""Mappers used to take protocol number-->name and vice-versa.  Number needed for test command, name needed for test command if querying by application-id."""
-
-# Protocol mapping based on https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml.
-PROTO_NAME_TO_NUM = {
-    "ICMP": 1,
-    "IGMP": 2,
-    "GGP": 3,
-    "TCP": 6,
-    "CBT": 7,
-    "EGP": 8,
-    "IGP": 9,
-    "BBN-RCC-MON": 10,
-    "NVP-II": 11,
-    "PUP": 12,
-    "EMCON": 14,
-    "XNET": 15,
-    "CHAOS": 16,
-    "UDP": 17,
-    "MUX": 18,
-    "DCN-MEAS": 19,
-    "HMP": 20,
-    "PRM": 21,
-    "XNS-IDP": 22,
-    "TRUNK-1": 23,
-    "TRUNK-2": 24,
-    "LEAF-1": 25,
-    "LEAF-2": 26,
-    "RDP": 27,
-    "IRTP": 28,
-    "ISO-TP4": 29,
-    "NETBLT": 30,
-    "MFE-NSP": 31,
-    "MERIT-INP": 32,
-    "DCCP": 33,
-    "3PC": 34,
-    "IDPR": 35,
-    "XTP": 36,
-    "DDP": 37,
-    "IDPR-CMTP": 38,
-    "TP++": 39,
-    "IL": 40,
-    "SDRP": 42,
-    "IDRP": 45,
-    "RSVP": 46,
-    "GRE": 47,
-    "DSR": 48,
-    "BNA": 49,
-    "ESP": 50,
-    "AH": 51,
-    "I-NLSP": 52,
-    "NARP": 54,
-    "MOBILE": 55,
-    "TLSP": 56,
-    "SKIP": 57,
-    "CFTP": 62,
-    "SAT-EXPAK": 64,
-    "KRYPTOLAN": 65,
-    "RVD": 66,
-    "IPPC": 67,
-    "SAT-MON": 69,
-    "VISA": 70,
-    "IPCV": 71,
-    "CPNX": 72,
-    "CPHB": 73,
-    "WSN": 74,
-    "PVP": 75,
-    "BR-SAT-MON": 76,
-    "SUN-ND": 77,
-    "WB-MON": 78,
-    "WB-EXPAK": 79,
-    "ISO-IP": 80,
-    "VMTP": 81,
-    "SECURE-VMTP": 82,
-    "VINES": 83,
-    "TTP": 84,
-    "NSFNET-IGP": 85,
-    "DGP": 86,
-    "TCF": 87,
-    "EIGRP": 88,
-    "OSPFIGP": 89,
-    "Sprite-RPC": 90,
-    "LARP": 91,
-    "MTP": 92,
-    "AX.25": 93,
-    "IPIP": 94,
-    "SCC-SP": 96,
-    "ETHERIP": 97,
-    "ENCAP": 98,
-    "GMTP": 100,
-    "IFMP": 101,
-    "PNNI": 102,
-    "PIM": 103,
-    "ARIS": 104,
-    "SCPS": 105,
-    "QNX": 106,
-    "A/N": 107,
-    "IPComp": 108,
-    "SNP": 109,
-    "Compaq-Peer": 110,
-    "IPX-in-IP": 111,
-    "PGM": 113,
-    "L2TP": 115,
-    "DDX": 116,
-    "IATP": 117,
-    "STP": 118,
-    "SRP": 119,
-    "UTI": 120,
-    "SMP": 121,
-    "SM": 122,
-    "PTP": 123,
-    "FIRE": 125,
-    "CRTP": 126,
-    "CRUDP": 127,
-    "SSCOPMCE": 128,
-    "IPLT": 129,
-    "SPS": 130,
-    "PIPE": 131,
-    "SCTP": 132,
-    "FC": 133,
-    "RSVP-E2E-IGNORE": 134,
-    "UDPLite": 136,
-    "manet": 138,
-    "HIP": 139,
-    "WESP": 141,
-    "ROHC": 142,
-    "Ethernet": 143,
-}
-
-# Reverse the key value pair for reverse lookup.
-PROTO_NUM_TO_NAME = {value: key for (key, value) in PROTO_NAME_TO_NUM.items()}