Global R&E Routing Table Report 18:45 GMT Mon 07 Jun, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16440 Prefixes after maximum aggregation (per Origin AS): 8460 Deaggregation factor: 1.94 Unique aggregates announced (without unneeded subnets): 9847 Total ASes present in the Internet Routing Table: 2245 Prefixes per ASN: 7.32 Origin-only ASes present in the Internet Routing Table: 1931 Origin ASes announcing only one prefix: 850 Transit ASes present in the Internet Routing Table: 314 Transit-only ASes present in the Internet Routing Table: 51 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 18 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 17 Number of instances of unregistered ASNs: 17 Number of 32-bit ASNs allocated by the RIRs: 36257 Number of 32-bit ASNs visible in the Routing Table: 472 Prefixes from 32-bit ASNs in the Routing Table: 1464 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 163956736 Equivalent to 9 /8s, 197 /16s and 200 /24s Percentage of available address space announced: 4.4 Percentage of allocated address space announced: 4.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.5 Total number of prefixes smaller than registry allocations: 1765 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4640 Total APNIC prefixes after maximum aggregation: 2343 APNIC Deaggregation factor: 1.98 Prefixes being announced from the APNIC address blocks: 4640 Unique aggregates announced from the APNIC address blocks: 2689 APNIC Region origin ASes present in the Internet Routing Table: 564 APNIC Prefixes per ASN: 8.23 APNIC Region origin ASes announcing only one prefix: 238 APNIC Region transit ASes present in the Internet Routing Table: 63 Average APNIC Region AS path length visible: 4.7 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 209 Number of APNIC addresses announced to Internet: 46378752 Equivalent to 2 /8s, 195 /16s and 175 /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, 131072-147769 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: 8287 Total ARIN prefixes after maximum aggregation: 4723 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8306 Unique aggregates announced from the ARIN address blocks: 5432 ARIN Region origin ASes present in the Internet Routing Table: 1220 ARIN Prefixes per ASN: 6.81 ARIN Region origin ASes announcing only one prefix: 439 ARIN Region transit ASes present in the Internet Routing Table: 164 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 151 Number of ARIN addresses announced to Internet: 96919552 Equivalent to 5 /8s, 198 /16s and 224 /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, 393216-401308 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, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 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: 910 Total RIPE prefixes after maximum aggregation: 631 RIPE Deaggregation factor: 1.44 Prefixes being announced from the RIPE address blocks: 907 Unique aggregates announced from the RIPE address blocks: 633 RIPE Region origin ASes present in the Internet Routing Table: 203 RIPE Prefixes per ASN: 4.47 RIPE Region origin ASes announcing only one prefix: 95 RIPE Region transit ASes present in the Internet Routing Table: 33 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 27 Number of RIPE addresses announced to Internet: 13968896 Equivalent to 0 /8s, 213 /16s and 38 /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 196608-213403 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 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: 1436 Total LACNIC prefixes after maximum aggregation: 585 LACNIC Deaggregation factor: 2.45 Prefixes being announced from the LACNIC address blocks: 1435 Unique aggregates announced from the LACNIC address blocks: 817 LACNIC Region origin ASes present in the Internet Routing Table: 177 LACNIC Prefixes per ASN: 8.11 LACNIC Region origin ASes announcing only one prefix: 71 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 77 Number of LACNIC addresses announced to Internet: 4192000 Equivalent to 0 /8s, 63 /16s and 247 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 1150 Total AfriNIC prefixes after maximum aggregation: 162 AfriNIC Deaggregation factor: 7.10 Prefixes being announced from the AfriNIC address blocks: 1150 Unique aggregates announced from the AfriNIC address blocks: 274 AfriNIC Region origin ASes present in the Internet Routing Table: 25 AfriNIC Prefixes per ASN: 46.00 AfriNIC Region origin ASes announcing only one prefix: 7 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 7 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 2497024 Equivalent to 0 /8s, 38 /16s and 26 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 45/8, 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 2907 607 2155 455 UNALLOCATED 7497 427 212 24 UNALLOCATED 1237 188 75 137 UNALLOCATED 7575 180 331 127 UNALLOCATED 58647 164 18 2 UNALLOCATED 55824 128 19 22 UNALLOCATED 4538 124 4192 72 UNALLOCATED 4621 82 37 11 UNALLOCATED 23570 59 5 11 UNALLOCATED 1659 57 1450 34 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 245 51 7 UNALLOCATED 376 235 180 158 UNALLOCATED 668 211 702 182 UNALLOCATED 5786 201 16 1 UNALLOCATED 2152 163 507 96 UNALLOCATED 18558 137 18 4 UNALLOCATED 270 117 297 87 UNALLOCATED 23024 114 7 17 UNALLOCATED 2920 109 34 6 UNALLOCATED 21976 86 51 18 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8895 140 24 4 UNALLOCATED 1103 98 1520 85 UNALLOCATED 1653 52 151 49 UNALLOCATED 1741 43 183 22 UNALLOCATED 288 26 5 26 UNALLOCATED 513 20 87 19 UNALLOCATED 3267 20 67 17 UNALLOCATED 8674 17 2 11 UNALLOCATED 224 13 256 13 UNALLOCATED 29384 13 3 9 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 180 207 41 UNALLOCATED 28391 152 10 66 UNALLOCATED 11340 93 24 53 UNALLOCATED 1251 66 37 20 UNALLOCATED 2715 60 102 40 UNALLOCATED 4270 44 16 1 UNALLOCATED 19611 44 17 2 UNALLOCATED 61468 41 3 15 UNALLOCATED 28614 38 2 2 UNALLOCATED 28571 37 26 15 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 410 82 3 UNALLOCATED 2018 324 319 74 UNALLOCATED 327687 136 28 3 UNALLOCATED 2561 74 5 34 UNALLOCATED 8094 55 48 4 UNALLOCATED 327700 39 16 1 UNALLOCATED 37215 29 8 1 UNALLOCATED 6879 24 2 9 UNALLOCATED 37501 11 49 6 UNALLOCATED 37182 9 8 1 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 607 2155 455 UNALLOCATED 7497 427 212 24 UNALLOCATED 36914 410 82 3 UNALLOCATED 2018 324 319 74 UNALLOCATED 7896 245 51 7 UNALLOCATED 376 235 180 158 UNALLOCATED 668 211 702 182 UNALLOCATED 5786 201 16 1 UNALLOCATED 1237 188 75 137 UNALLOCATED 1916 180 207 41 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 410 407 UNALLOCATED 7497 427 403 UNALLOCATED 2018 324 250 UNALLOCATED 7896 245 238 UNALLOCATED 5786 201 200 UNALLOCATED 58647 164 162 UNALLOCATED 1916 180 139 UNALLOCATED 8895 140 136 UNALLOCATED 18558 137 133 UNALLOCATED 327687 136 133 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 36843 UNALLOCATED 64.56.80.0/23 11096 UNALLOCATED 19658 UNALLOCATED 65.205.131.0/24 11096 UNALLOCATED 36843 UNALLOCATED 108.59.20.0/24 11096 UNALLOCATED 36843 UNALLOCATED 108.59.23.0/24 11096 UNALLOCATED 36843 UNALLOCATED 131.91.183.0/24 11096 UNALLOCATED 36843 UNALLOCATED 131.91.252.0/22 11096 UNALLOCATED 65248 PRIVATE 134.171.169.0/24 11340 UNALLOCATED 36843 UNALLOCATED 146.201.218.0/24 11096 UNALLOCATED 36843 UNALLOCATED 146.201.219.0/24 11096 UNALLOCATED 22063 UNALLOCATED 153.10.0.0/16 2152 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 1103 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 UNALLOCATED Transit: 1103 UNALLOCATED 192.88.99.0/24 Origin: 1103 UNALLOCATED Transit: 11537 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/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 /9:1 /10:2 /11:1 /12:9 /13:16 /14:31 /15:90 /16:1525 /17:343 /18:383 /19:503 /20:792 /21:748 /22:1173 /23:1306 /24:9517 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 384 410 UNALLOCATED 8895 135 140 UNALLOCATED 23024 53 114 UNALLOCATED 327700 33 39 UNALLOCATED 28614 32 38 UNALLOCATED 25977 31 45 UNALLOCATED 263282 30 37 UNALLOCATED 18632 29 55 UNALLOCATED 27609 29 45 UNALLOCATED 32440 29 44 UNALLOCATED Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 6:4 8:2 12:1 14:84 18:41 23:7 24:6 35:2 38:9 40:1 41:238 42:26 44:3 45:46 46:1 47:1 49:10 50:4 52:1 58:1 59:20 60:4 61:4 62:2 63:38 64:50 65:5 66:53 67:45 68:9 69:17 71:1 72:11 74:19 76:32 77:4 80:3 81:1 82:2 84:2 85:13 86:9 87:1 89:2 91:16 92:1 93:1 95:1 96:5 97:1 98:2 100:1 101:2 102:7 103:287 104:76 106:1 107:16 108:12 109:6 110:3 111:20 112:4 114:23 115:1 116:5 117:63 118:35 119:18 121:29 122:8 123:8 124:40 125:13 128:76 129:166 130:91 131:84 132:56 133:137 134:89 136:192 137:146 138:11 139:5 140:48 141:1 142:43 143:33 144:53 146:125 147:63 148:154 149:13 150:36 151:9 152:76 153:1 154:24 155:47 156:63 157:25 158:45 159:114 160:26 161:35 162:23 163:65 164:40 165:24 166:1 167:15 168:124 169:9 170:67 171:1 172:1 173:7 175:32 176:8 177:7 179:12 180:21 181:11 182:6 184:8 185:13 186:3 187:18 188:3 189:6 190:44 191:36 192:1070 193:76 194:57 195:61 196:169 197:197 198:509 199:272 200:260 201:39 202:581 203:426 204:358 205:182 206:195 207:174 208:62 209:120 210:187 211:14 212:131 213:2 214:7 216:66 217:2 218:26 219:8 220:24 222:4 223:2 End of report