Global R&E Routing Table Report 18:45 GMT Fri 08 Oct, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16160 Prefixes after maximum aggregation (per Origin AS): 8547 Deaggregation factor: 1.89 Unique aggregates announced (without unneeded subnets): 9972 Total ASes present in the Internet Routing Table: 2279 Prefixes per ASN: 7.09 Origin-only ASes present in the Internet Routing Table: 1969 Origin ASes announcing only one prefix: 863 Transit ASes present in the Internet Routing Table: 310 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: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 20 Number of instances of unregistered ASNs: 20 Number of 32-bit ASNs allocated by the RIRs: 37424 Number of 32-bit ASNs visible in the Routing Table: 497 Prefixes from 32-bit ASNs in the Routing Table: 1457 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: 4 Number of addresses announced to Internet: 163551232 Equivalent to 9 /8s, 191 /16s and 152 /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: 1431 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4683 Total APNIC prefixes after maximum aggregation: 2323 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4685 Unique aggregates announced from the APNIC address blocks: 2664 APNIC Region origin ASes present in the Internet Routing Table: 581 APNIC Prefixes per ASN: 8.06 APNIC Region origin ASes announcing only one prefix: 248 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 224 Number of APNIC addresses announced to Internet: 46022400 Equivalent to 2 /8s, 190 /16s and 63 /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: 8348 Total ARIN prefixes after maximum aggregation: 4758 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8367 Unique aggregates announced from the ARIN address blocks: 5477 ARIN Region origin ASes present in the Internet Routing Table: 1232 ARIN Prefixes per ASN: 6.79 ARIN Region origin ASes announcing only one prefix: 445 ARIN Region transit ASes present in the Internet Routing Table: 163 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 160 Number of ARIN addresses announced to Internet: 96977152 Equivalent to 5 /8s, 199 /16s and 193 /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: 923 Total RIPE prefixes after maximum aggregation: 638 RIPE Deaggregation factor: 1.45 Prefixes being announced from the RIPE address blocks: 915 Unique aggregates announced from the RIPE address blocks: 647 RIPE Region origin ASes present in the Internet Routing Table: 207 RIPE Prefixes per ASN: 4.42 RIPE Region origin ASes announcing only one prefix: 97 RIPE Region transit ASes present in the Internet Routing Table: 34 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: 29 Number of RIPE addresses announced to Internet: 13961216 Equivalent to 0 /8s, 213 /16s and 8 /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: 1504 Total LACNIC prefixes after maximum aggregation: 615 LACNIC Deaggregation factor: 2.45 Prefixes being announced from the LACNIC address blocks: 1507 Unique aggregates announced from the LACNIC address blocks: 860 LACNIC Region origin ASes present in the Internet Routing Table: 180 LACNIC Prefixes per ASN: 8.37 LACNIC Region origin ASes announcing only one prefix: 69 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 77 Number of LACNIC addresses announced to Internet: 4201472 Equivalent to 0 /8s, 64 /16s and 28 /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: 682 Total AfriNIC prefixes after maximum aggregation: 206 AfriNIC Deaggregation factor: 3.31 Prefixes being announced from the AfriNIC address blocks: 682 Unique aggregates announced from the AfriNIC address blocks: 320 AfriNIC Region origin ASes present in the Internet Routing Table: 22 AfriNIC Prefixes per ASN: 31.00 AfriNIC Region origin ASes announcing only one prefix: 4 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 2.4 Max AfriNIC Region AS path length visible: 7 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7 Number of AfriNIC addresses announced to Internet: 2387968 Equivalent to 0 /8s, 36 /16s and 112 /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 609 2157 457 SINET-AS Research Organization of Infor 7497 429 182 24 CSTNET-AS-AP Computer Network Informati 1237 185 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 4538 126 4192 72 ERX-CERNET-BKB China Education and Rese 4621 81 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 250 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR 2152 158 507 88 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 23024 114 7 17 OCDE, US 2920 109 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US 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 143 24 4 ISU Internet Services Unit ISU, SA 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 1653 52 167 49 SUNET SUNET Swedish University Network, 1741 43 183 22 FUNETAS, FI 288 26 5 26 ESA Robert Bosch Strasse 5, DE 3218 22 4 15 COSMOS-3218-AS AS-COSMOS root, RU 3267 21 67 17 RUNNET, RU 513 20 87 19 CERN, CH 8674 16 2 11 NETNOD-IX Netnod Internet Exchange Sver 224 13 256 13 UNINETT UNINETT, The Norwegian Universi 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 177 207 41 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 93 24 53 Red Universitaria Nacional, CL 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo 52286 52 4 31 Columbus Networks Guatemala, GT 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 4270 42 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 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 2018 344 319 73 TENET-1, ZA 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 38 20 26 RENU, UG 37215 32 8 1 MAREN, MW 36914 30 82 3 KENET-AS, KE 327700 30 7 28 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 14 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 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 609 2157 457 SINET-AS Research Organization of Infor 7497 429 182 24 CSTNET-AS-AP Computer Network Informati 2018 344 319 73 TENET-1, ZA 7896 250 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR 1237 185 74 135 KREONET-AS-KR KISTI, KR 1916 177 207 41 Associacao Rede Nacional de Ensino e Pe 7575 175 329 121 AARNET-AS-AP Australian Academic and Re Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 429 405 CSTNET-AS-AP Computer Network Information Cente 2018 344 271 TENET-1, ZA 7896 250 243 NU-AS, US 5786 201 200 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 8895 143 139 ISU Internet Services Unit ISU, SA 1916 177 136 Associacao Rede Nacional de Ensino e Pesquisa, 18558 136 132 NETBLK-RCOEK, US 55824 128 106 NKN-CORE-NW NKN Core Network, IN 2920 109 103 LACOE, US 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 65248 PRIVATE 134.171.169.0/24 11340 Red Universitaria Nacional, 14822 UNALLOCATED 140.163.0.0/16 10466 MAGPI, US 14822 UNALLOCATED 140.163.0.0/17 10466 MAGPI, US 14822 UNALLOCATED 140.163.6.0/24 10466 MAGPI, US 14822 UNALLOCATED 140.163.64.0/24 10466 MAGPI, US 14822 UNALLOCATED 140.163.70.0/24 10466 MAGPI, US 14822 UNALLOCATED 140.163.128.0/17 10466 MAGPI, US 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 64663 PRIVATE 181.114.14.0/24 52286 Columbus Networks Guatemala, 394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US 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 SURFNET-NL SURFnet, The Netherlands, NL 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 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US 192.107.242.0/24 Origin: 394784 UNASSIGNED 192.107.242.0/24 Transit: 40831 PHS, US 205.166.145.0/24 Origin: 394784 UNASSIGNED 205.166.145.0/24 Transit: 40831 PHS, US 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 /15:89 /16:1518 /17:341 /18:391 /19:484 /20:780 /21:729 /22:1169 /23:1327 /24:9272 /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 8895 138 143 ISU Internet Services Unit ISU, SA 23024 53 114 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 18632 29 55 VOLCANO-VISION, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US 40326 29 33 ECKERD-COLLEGE, US 327700 27 30 MoRENet, MZ Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 6:4 8:2 12:1 14:84 18:41 23:10 24:6 35:2 38:9 40:1 41:77 42:8 44:3 45:60 46:1 47:1 49:10 50:4 52:1 58:1 59:20 60:4 61:3 62:2 63:38 64:50 65:4 66:51 67:44 68:9 69:21 71:1 72:12 74:20 76:32 77:4 80:7 81:1 82:3 84:2 85:14 86:9 87:1 89:2 91:17 92:1 93:1 95:1 96:5 97:1 98:2 101:6 102:4 103:313 104:77 106:1 107:17 108:12 109:6 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:19 121:26 122:8 123:8 124:39 125:5 128:78 129:168 130:95 131:82 132:61 133:138 134:94 136:193 137:81 138:8 139:5 140:49 141:3 142:44 143:33 144:54 146:125 147:58 148:154 149:13 150:39 151:11 152:78 153:1 154:24 155:50 156:65 157:25 158:45 159:116 160:25 161:34 162:27 163:66 164:41 165:64 166:1 167:16 168:163 169:10 170:66 171:1 172:2 173:7 175:31 176:8 177:10 179:12 180:21 181:12 182:6 184:4 185:13 186:3 187:18 188:3 189:3 190:53 191:36 192:1080 193:81 194:55 195:53 196:149 197:4 198:518 199:274 200:253 201:39 202:635 203:419 204:359 205:178 206:190 207:175 208:61 209:123 210:184 211:14 212:134 213:2 214:7 216:80 217:1 218:25 219:8 220:16 222:5 223:2 End of report