Global R&E Routing Table Report 18:45 GMT Thu 04 Nov, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16130 Prefixes after maximum aggregation (per Origin AS): 8468 Deaggregation factor: 1.90 Unique aggregates announced (without unneeded subnets): 9874 Total ASes present in the Internet Routing Table: 2269 Prefixes per ASN: 7.11 Origin-only ASes present in the Internet Routing Table: 1966 Origin ASes announcing only one prefix: 862 Transit ASes present in the Internet Routing Table: 303 Transit-only ASes present in the Internet Routing Table: 46 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 24 Number of instances of unregistered ASNs: 24 Number of 32-bit ASNs allocated by the RIRs: 37731 Number of 32-bit ASNs visible in the Routing Table: 505 Prefixes from 32-bit ASNs in the Routing Table: 1474 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: 162740736 Equivalent to 9 /8s, 179 /16s and 58 /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: 1436 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4686 Total APNIC prefixes after maximum aggregation: 2325 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4688 Unique aggregates announced from the APNIC address blocks: 2651 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 8.04 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 227 Number of APNIC addresses announced to Internet: 46022912 Equivalent to 2 /8s, 190 /16s and 65 /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, 131072-151865 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: 8336 Total ARIN prefixes after maximum aggregation: 4737 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 8356 Unique aggregates announced from the ARIN address blocks: 5456 ARIN Region origin ASes present in the Internet Routing Table: 1226 ARIN Prefixes per ASN: 6.82 ARIN Region origin ASes announcing only one prefix: 441 ARIN Region transit ASes present in the Internet Routing Table: 161 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: 161 Number of ARIN addresses announced to Internet: 96815616 Equivalent to 5 /8s, 197 /16s and 74 /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: 889 Total RIPE prefixes after maximum aggregation: 605 RIPE Deaggregation factor: 1.47 Prefixes being announced from the RIPE address blocks: 881 Unique aggregates announced from the RIPE address blocks: 613 RIPE Region origin ASes present in the Internet Routing Table: 202 RIPE Prefixes per ASN: 4.36 RIPE Region origin ASes announcing only one prefix: 96 RIPE Region transit ASes present in the Internet Routing Table: 32 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: 13402112 Equivalent to 0 /8s, 204 /16s and 128 /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: 1501 Total LACNIC prefixes after maximum aggregation: 612 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: 181 LACNIC Prefixes per ASN: 8.33 LACNIC Region origin ASes announcing only one prefix: 71 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: 80 Number of LACNIC addresses announced to Internet: 4072960 Equivalent to 0 /8s, 62 /16s and 38 /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: 694 Total AfriNIC prefixes after maximum aggregation: 178 AfriNIC Deaggregation factor: 3.90 Prefixes being announced from the AfriNIC address blocks: 694 Unique aggregates announced from the AfriNIC address blocks: 290 AfriNIC Region origin ASes present in the Internet Routing Table: 23 AfriNIC Prefixes per ASN: 30.17 AfriNIC Region origin ASes announcing only one prefix: 4 AfriNIC Region transit ASes present in the Internet Routing Table: 8 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: 8 Number of AfriNIC addresses announced to Internet: 2426112 Equivalent to 0 /8s, 37 /16s and 5 /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 610 2157 457 SINET-AS Research Organization of Infor 7497 430 182 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 127 4192 72 ERX-CERNET-BKB China Education and Rese 4621 80 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 376 233 180 157 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR 2152 159 507 88 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 23024 114 7 17 OCDE, US 2920 109 34 6 LACOE, US 21976 85 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 8674 16 2 11 NETNOD-IX Netnod Internet Exchange Sver 224 13 256 13 UNINETT UNINETT, The Norwegian Universi 29384 13 3 9 QATAR-FOUNDATION, QA 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 43 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 73 5 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327700 40 16 1 MoRENet, MZ 327687 35 19 23 RENU, UG 37215 33 8 1 MAREN, MW 36914 31 82 3 KENET-AS, KE 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 610 2157 457 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 2018 344 319 73 TENET-1, ZA 7896 250 51 7 NU-AS, US 376 233 180 157 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 430 406 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 137 133 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 65105 PRIVATE 165.98.16.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.18.0/24 27750 Cooperacion Latino Americana 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 /16:1507 /17:341 /18:390 /19:483 /20:782 /21:728 /22:1163 /23:1328 /24:9259 /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 327700 34 40 MoRENet, MZ 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 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 18:42 23:10 24:6 35:2 38:9 40:1 41:85 42:8 44:3 45:59 47:1 49:10 50:4 52:1 59:20 60:4 61:3 62:2 63:38 64:50 65:4 66:51 67:44 68:9 69:21 71:1 72:10 74:20 76:32 77:4 80:7 81:1 82:3 84:1 85:14 86:9 87:1 89:2 91:16 92:1 93:1 95:1 96:5 97:1 98:2 101:6 102:4 103:315 104:77 106:1 107:16 108:12 109:7 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:20 121:26 122:8 123:8 124:39 125:5 128:80 129:168 130:93 131:81 132:61 133:138 134:95 136:193 137:80 138:8 139:5 140:48 141:3 142:44 143:33 144:54 146:125 147:58 148:154 149:13 150:39 151:11 152:78 153:1 154:24 155:49 156:66 157:25 158:42 159:116 160:25 161:34 162:26 163:67 164:42 165:64 166:1 167:16 168:162 169:10 170:68 171:1 172:2 173:7 175:31 176:8 177:10 179:12 180:21 181:12 182:6 184:2 185:12 186:3 187:18 188:3 189:3 190:53 191:36 192:1073 193:81 194:52 195:52 196:147 197:4 198:515 199:275 200:253 201:39 202:634 203:418 204:359 205:178 206:192 207:173 208:60 209:122 210:184 211:14 212:134 213:2 214:7 216:86 217:1 218:25 219:8 220:17 222:5 223:2 End of report