IPv4 R&E Routing Table Report 20:25 GMT Tue 11 Feb, 2025 IPv4 BGP Table (R&E) as seen at AIT. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AIT/ Analysis Summary ---------------- BGP routing table entries examined: 3403 Prefixes after maximum aggregation (per Origin AS): 861 Deaggregation factor: 3.95 Unique aggregates announced (without unneeded subnets): 1172 Number of IPv4 prefixes with a valid ROA: 2469 Number of IPv4 prefixes with an invalid ROA: 56 Number of IPv4 prefixes with no ROA: 878 Total ASes present in the Internet Routing Table: 111 Prefixes per ASN: 30.66 Origin-only ASes present in the Internet Routing Table: 109 Origin ASes announcing only one prefix: 37 Transit ASes present in the Internet Routing Table: 2 Transit-only ASes present in the Internet Routing Table: 1 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 3.0 Max AS path length visible: 3 Max AS path prepend of ASN ( 4621) 1 Prefixes from unregistered ASNs in the Routing Table: 0 Number of instances of unregistered ASNs: 0 Number of 32-bit ASNs allocated by the RIRs: 46105 Number of 32-bit ASNs visible in the Routing Table: 51 Prefixes from 32-bit ASNs in the Routing Table: 528 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 1 Number of addresses announced to Internet: 2376406 Equivalent to 0 /8s, 36 /16s and 66 /24s Percentage of available address space announced: 0.1 Percentage of allocated address space announced: 0.1 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 63 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 3351 Total APNIC prefixes after maximum aggregation: 817 APNIC Deaggregation factor: 4.10 Prefixes being announced from the APNIC address blocks: 3304 Unique aggregates announced from the APNIC address blocks: 1076 APNIC Region origin ASes present in the Internet Routing Table: 105 APNIC Prefixes per ASN: 31.47 APNIC Region origin ASes announcing only one prefix: 36 APNIC Region transit ASes present in the Internet Routing Table: 2 Average APNIC Region AS path length visible: 3.0 Max APNIC Region AS path length visible: 3 Number of APNIC region 32-bit ASNs visible in the Routing Table: 51 Number of APNIC addresses announced to Internet: 2326998 Equivalent to 0 /8s, 35 /16s and 129 /24s APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 63488-64098, 64297-64395, 131072-153913 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 150/8, 153/8, 163/8, 171/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 51 Total ARIN prefixes after maximum aggregation: 43 ARIN Deaggregation factor: 1.19 Prefixes being announced from the ARIN address blocks: 64 Unique aggregates announced from the ARIN address blocks: 61 ARIN Region origin ASes present in the Internet Routing Table: 4 ARIN Prefixes per ASN: 16.00 ARIN Region origin ASes announcing only one prefix: 0 ARIN Region transit ASes present in the Internet Routing Table: 0 Average ARIN Region AS path length visible: 3.0 Max ARIN Region AS path length visible: 3 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 39680 Equivalent to 0 /8s, 0 /16s and 155 /24s ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959, 46080-47103 53248-55295, 62464-63487, 64198-64296, 393216-402332 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8, 174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 1 Total RIPE prefixes after maximum aggregation: 1 RIPE Deaggregation factor: 1.00 Prefixes being announced from the RIPE address blocks: 24 Unique aggregates announced from the RIPE address blocks: 24 RIPE Region origin ASes present in the Internet Routing Table: 1 RIPE Prefixes per ASN: 24.00 RIPE Region origin ASes announcing only one prefix: 1 RIPE Region transit ASes present in the Internet Routing Table: 0 Average RIPE Region AS path length visible: 3.0 Max RIPE Region AS path length visible: 3 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 6144 Equivalent to 0 /8s, 0 /16s and 24 /24s RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-45055, 47104-52223, 56320-58367 59392-61439, 61952-62463, 64396-64495 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 0 Total LACNIC prefixes after maximum aggregation: 0 LACNIC Deaggregation factor: -nan Prefixes being announced from the LACNIC address blocks: 0 Unique aggregates announced from the LACNIC address blocks: 0 LACNIC Region origin ASes present in the Internet Routing Table: 0 LACNIC Prefixes per ASN: -nan LACNIC Region origin ASes announcing only one prefix: 0 LACNIC Region transit ASes present in the Internet Routing Table: 0 Average LACNIC Region AS path length visible: -nan Max LACNIC Region AS path length visible: 0 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 0 Equivalent to 0 /8s, 0 /16s and 0 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 191/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 0 Total AfriNIC prefixes after maximum aggregation: 0 AfriNIC Deaggregation factor: -nan Prefixes being announced from the AfriNIC address blocks: 10 Unique aggregates announced from the AfriNIC address blocks: 10 AfriNIC Region origin ASes present in the Internet Routing Table: 0 AfriNIC Prefixes per ASN: inf AfriNIC Region origin ASes announcing only one prefix: 0 AfriNIC Region transit ASes present in the Internet Routing Table: 0 Average AfriNIC Region AS path length visible: -nan Max AfriNIC Region AS path length visible: 0 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 3328 Equivalent to 0 /8s, 0 /16s and 13 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7470 669 243 72 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd. 45458 574 45 113 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-N 9931 525 60 62 CAT-AP The Communication Authoity of Thai 131293 277 23 64 TOT-LLI-AS-AP TOT Public Company Limited, 4621 146 45 17 UNINET-AS-AP UNINET-, TH 9335 136 9 40 CAT-CLOUD-AP CAT Telecom Public Company L 23884 132 10 31 PROENNET-AS Proen Corp Public Company Lim 23969 110 16 103 TOT-NET TOT Public Company Limited, TH 132203 83 32 28 TENCENT-NET-AP-CN Tencent Building, Kejiz 38235 72 4 12 MEKONGNET-ADC-AS-AP ANGKOR DATA COMMUNICA Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 21859 36 3 32 ZEN-ECN, US 19551 11 1 8 INCAPSULA, US 7862 2 0 1 CHEVRON, US 13335 2 0 2 CLOUDFLARENET, US Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 20940 1 0 1 AKAMAI-ASN1, NL Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 7470 669 243 72 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd. 45458 574 45 113 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-N 9931 525 60 62 CAT-AP The Communication Authoity of Thai 131293 277 23 64 TOT-LLI-AS-AP TOT Public Company Limited, 4621 146 45 17 UNINET-AS-AP UNINET-, TH 9335 136 9 40 CAT-CLOUD-AP CAT Telecom Public Company L 23884 132 10 31 PROENNET-AS Proen Corp Public Company Lim 23969 110 16 103 TOT-NET TOT Public Company Limited, TH 132203 83 32 28 TENCENT-NET-AP-CN Tencent Building, Kejiz 38235 72 4 12 MEKONGNET-ADC-AS-AP ANGKOR DATA COMMUNICA Complete listing at https://bgp.nsrc.org/REN/AIT/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9931 525 463 CAT-AP The Communication Authoity of Thailand, 45458 574 461 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN- 131293 277 213 TOT-LLI-AS-AP TOT Public Company Limited, TH 4621 146 129 UNINET-AS-AP UNINET-, TH 23884 132 101 PROENNET-AS Proen Corp Public Company Limited., 9335 136 96 CAT-CLOUD-AP CAT Telecom Public Company Limited 38235 72 60 MEKONGNET-ADC-AS-AP ANGKOR DATA COMMUNICATION, 132203 83 55 TENCENT-NET-AP-CN Tencent Building, Kejizhongyi 9903 46 43 RIT-AS-AP Rajamangala Institute of Technology, 56067 39 36 METRABYTE-TH 453 Ladplacout Jorakhaebua, TH Complete listing at https://bgp.nsrc.org/REN/AIT/data-CIDRnet Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U 202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH Complete listing at https://bgp.nsrc.org/REN/AIT/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:0 /10:0 /11:0 /12:0 /13:0 /14:0 /15:2 /16:11 /17:14 /18:36 /19:63 /20:111 /21:81 /22:303 /23:211 /24:2551 /25:2 /26:3 /27:2 /28:4 /29:5 /30:2 /31:1 /32:1 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 4621 14 146 UNINET-AS-AP UNINET-, TH 21859 11 36 ZEN-ECN, US 45458 8 574 SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-NIX, TH 139591 7 7 CAT-AS-AP CAT Telecom Public Company Limited 13th CAT TELECOM TOWER NEW ROAD SRIPHRAYA BANGRAK BANGKOK THAILAND, TH 9335 5 136 CAT-CLOUD-AP CAT Telecom Public Company Limited, TH 7470 4 669 TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH 19551 4 11 INCAPSULA, US 38235 3 72 MEKONGNET-ADC-AS-AP ANGKOR DATA COMMUNICATION, KH 138547 3 3 UBRU-AS-UNINET Ubon Ratchathani Rajabhat University, TH 63528 2 2 BKNIX-AS-AP Bangkok Neutral Internet Exchange, TH Complete listing at https://bgp.nsrc.org/REN/AIT/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:110 8:1 14:3 27:25 38:13 43:7 45:19 46:2 47:2 49:266 50:1 58:76 59:1 61:211 64:1 98:1 101:7 103:57 104:1 107:7 108:3 110:220 111:34 112:12 113:39 114:11 115:2 116:1 117:1 118:82 119:107 122:221 124:4 125:2 128:2 129:1 131:1 136:1 139:1 141:1 146:1 147:21 148:3 149:2 150:2 154:6 155:1 156:2 159:1 161:1 162:3 163:7 164:27 167:2 170:1 171:124 172:1 180:14 182:10 183:8 184:8 185:4 192:5 199:1 202:263 203:396 209:10 210:66 211:2 212:1 218:1 End of report