Global R&E Routing Table Report 18:45 GMT Tue 14 Sep, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16215 Prefixes after maximum aggregation (per Origin AS): 8451 Deaggregation factor: 1.92 Unique aggregates announced (without unneeded subnets): 9842 Total ASes present in the Internet Routing Table: 2256 Prefixes per ASN: 7.19 Origin-only ASes present in the Internet Routing Table: 1951 Origin ASes announcing only one prefix: 852 Transit ASes present in the Internet Routing Table: 305 Transit-only ASes present in the Internet Routing Table: 48 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: 14 Number of instances of unregistered ASNs: 14 Number of 32-bit ASNs allocated by the RIRs: 37205 Number of 32-bit ASNs visible in the Routing Table: 485 Prefixes from 32-bit ASNs in the Routing Table: 1539 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: 163662848 Equivalent to 9 /8s, 193 /16s and 76 /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: 1475 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4668 Total APNIC prefixes after maximum aggregation: 2322 APNIC Deaggregation factor: 2.01 Prefixes being announced from the APNIC address blocks: 4670 Unique aggregates announced from the APNIC address blocks: 2645 APNIC Region origin ASes present in the Internet Routing Table: 569 APNIC Prefixes per ASN: 8.21 APNIC Region origin ASes announcing only one prefix: 237 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 216 Number of APNIC addresses announced to Internet: 46149376 Equivalent to 2 /8s, 192 /16s and 47 /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: 8305 Total ARIN prefixes after maximum aggregation: 4739 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8318 Unique aggregates announced from the ARIN address blocks: 5464 ARIN Region origin ASes present in the Internet Routing Table: 1228 ARIN Prefixes per ASN: 6.77 ARIN Region origin ASes announcing only one prefix: 445 ARIN Region transit ASes present in the Internet Routing Table: 162 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: 96961024 Equivalent to 5 /8s, 199 /16s and 130 /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: 924 Total RIPE prefixes after maximum aggregation: 640 RIPE Deaggregation factor: 1.44 Prefixes being announced from the RIPE address blocks: 918 Unique aggregates announced from the RIPE address blocks: 650 RIPE Region origin ASes present in the Internet Routing Table: 207 RIPE Prefixes per ASN: 4.43 RIPE Region origin ASes announcing only one prefix: 97 RIPE Region transit ASes present in the Internet Routing Table: 35 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: 28 Number of RIPE addresses announced to Internet: 13961984 Equivalent to 0 /8s, 213 /16s and 11 /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: 1445 Total LACNIC prefixes after maximum aggregation: 580 LACNIC Deaggregation factor: 2.49 Prefixes being announced from the LACNIC address blocks: 1446 Unique aggregates announced from the LACNIC address blocks: 810 LACNIC Region origin ASes present in the Internet Routing Table: 173 LACNIC Prefixes per ASN: 8.36 LACNIC Region origin ASes announcing only one prefix: 66 LACNIC Region transit ASes present in the Internet Routing Table: 23 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: 72 Number of LACNIC addresses announced to Internet: 4091904 Equivalent to 0 /8s, 62 /16s and 112 /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: 859 Total AfriNIC prefixes after maximum aggregation: 161 AfriNIC Deaggregation factor: 5.34 Prefixes being announced from the AfriNIC address blocks: 859 Unique aggregates announced from the AfriNIC address blocks: 269 AfriNIC Region origin ASes present in the Internet Routing Table: 26 AfriNIC Prefixes per ASN: 33.04 AfriNIC Region origin ASes announcing only one prefix: 7 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 3.0 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 9 Number of AfriNIC addresses announced to Internet: 2497536 Equivalent to 0 /8s, 38 /16s and 28 /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 608 2156 456 SINET-AS Research Organization of Infor 7497 428 214 25 CSTNET-AS-AP Computer Network Informati 1237 185 74 135 KREONET-AS-KR KISTI, KR 7575 180 330 126 AARNET-AS-AP Australian Academic and Re 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 23 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 241 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 195 16 1 UPRENET, PR 2152 157 507 87 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 23024 114 7 17 OCDE, US 2920 108 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 142 24 4 ISU Internet Services Unit ISU, SA 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 1653 52 151 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 178 207 41 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 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 28571 37 26 15 UNIVERSIDADE DE SAO PAULO, BR 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 340 319 74 TENET-1, ZA 327687 135 28 3 RENU, UG 36914 96 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 55 48 4 PUKNET, ZA 327700 37 16 1 MoRENet, MZ 37215 32 8 1 MAREN, MW 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 608 2156 456 SINET-AS Research Organization of Infor 7497 428 214 25 CSTNET-AS-AP Computer Network Informati 2018 340 319 74 TENET-1, ZA 7896 241 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 5786 195 16 1 UPRENET, PR 1237 185 74 135 KREONET-AS-KR KISTI, KR 7575 180 330 126 AARNET-AS-AP Australian Academic and Re 1916 178 207 41 Associacao Rede Nacional de Ensino e Pe 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 428 403 CSTNET-AS-AP Computer Network Information Cente 2018 340 266 TENET-1, ZA 7896 241 234 NU-AS, US 5786 195 194 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 8895 142 138 ISU Internet Services Unit ISU, SA 1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa, 18558 137 133 NETBLK-RCOEK, US 327687 135 132 RENU, UG 55824 128 105 NKN-CORE-NW NKN Core Network, IN 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 19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US 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 /15:90 /16:1521 /17:344 /18:392 /19:483 /20:774 /21:730 /22:1163 /23:1296 /24:9362 /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 137 142 ISU Internet Services Unit ISU, SA 36914 83 96 KENET-AS, KE 23024 53 114 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 327700 31 37 MoRENet, MZ 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 43 LONI, 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 14:83 18:41 23:10 24:6 35:2 38:9 40:1 41:144 42:8 44:3 45:55 46:1 47:1 49:10 50:4 52:1 58:1 59:20 60:4 61:3 62:2 63:38 64:50 65:5 66:51 67:44 68:9 69:21 71:1 72:11 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 98:2 101:2 102:8 103:302 104:76 106:1 107:16 108:12 109:6 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:17 121:26 122:8 123:8 124:39 125:7 128:78 129:167 130:95 131:87 132:61 133:138 134:94 136:187 137:140 138:10 139:5 140:49 141:3 142:44 143:37 144:54 146:125 147:58 148:154 149:13 150:38 151:11 152:76 153:1 154:24 155:50 156:64 157:25 158:45 159:116 160:25 161:34 162:26 163:67 164:40 165:64 166:1 167:16 168:130 169:10 170:67 171:1 172:2 173:7 175:32 176:8 177:10 179:11 180:21 181:11 182:6 184:6 185:13 186:3 187:18 188:2 189:3 190:48 191:36 192:1078 193:81 194:56 195:53 196:175 197:5 198:515 199:275 200:253 201:39 202:621 203:425 204:362 205:182 206:189 207:174 208:61 209:123 210:184 211:14 212:134 213:2 214:7 216:80 217:1 218:25 219:8 220:16 222:5 223:2 End of report