Global R&E Routing Table Report 18:45 GMT Sat 31 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16328 Prefixes after maximum aggregation (per Origin AS): 8450 Deaggregation factor: 1.93 Unique aggregates announced (without unneeded subnets): 9879 Total ASes present in the Internet Routing Table: 2270 Prefixes per ASN: 7.19 Origin-only ASes present in the Internet Routing Table: 1951 Origin ASes announcing only one prefix: 863 Transit ASes present in the Internet Routing Table: 319 Transit-only ASes present in the Internet Routing Table: 60 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 18 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 27 Number of instances of unregistered ASNs: 27 Number of 32-bit ASNs allocated by the RIRs: 36740 Number of 32-bit ASNs visible in the Routing Table: 482 Prefixes from 32-bit ASNs in the Routing Table: 1491 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: 163616256 Equivalent to 9 /8s, 192 /16s and 150 /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: 1561 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4686 Total APNIC prefixes after maximum aggregation: 2343 APNIC Deaggregation factor: 2.00 Prefixes being announced from the APNIC address blocks: 4688 Unique aggregates announced from the APNIC address blocks: 2693 APNIC Region origin ASes present in the Internet Routing Table: 566 APNIC Prefixes per ASN: 8.28 APNIC Region origin ASes announcing only one prefix: 238 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: 210 Number of APNIC addresses announced to Internet: 46278656 Equivalent to 2 /8s, 194 /16s and 40 /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: 8333 Total ARIN prefixes after maximum aggregation: 4719 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 8350 Unique aggregates announced from the ARIN address blocks: 5457 ARIN Region origin ASes present in the Internet Routing Table: 1228 ARIN Prefixes per ASN: 6.80 ARIN Region origin ASes announcing only one prefix: 450 ARIN Region transit ASes present in the Internet Routing Table: 165 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: 157 Number of ARIN addresses announced to Internet: 96852736 Equivalent to 5 /8s, 197 /16s and 219 /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: 900 Total RIPE prefixes after maximum aggregation: 620 RIPE Deaggregation factor: 1.45 Prefixes being announced from the RIPE address blocks: 902 Unique aggregates announced from the RIPE address blocks: 635 RIPE Region origin ASes present in the Internet Routing Table: 205 RIPE Prefixes per ASN: 4.40 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: 29 Number of RIPE addresses announced to Internet: 13769984 Equivalent to 0 /8s, 210 /16s and 29 /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: 1537 Total LACNIC prefixes after maximum aggregation: 585 LACNIC Deaggregation factor: 2.63 Prefixes being announced from the LACNIC address blocks: 1539 Unique aggregates announced from the LACNIC address blocks: 819 LACNIC Region origin ASes present in the Internet Routing Table: 178 LACNIC Prefixes per ASN: 8.65 LACNIC Region origin ASes announcing only one prefix: 70 LACNIC Region transit ASes present in the Internet Routing Table: 28 Average LACNIC Region AS path length visible: 4.8 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: 4216064 Equivalent to 0 /8s, 64 /16s and 85 /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: 845 Total AfriNIC prefixes after maximum aggregation: 162 AfriNIC Deaggregation factor: 5.22 Prefixes being announced from the AfriNIC address blocks: 845 Unique aggregates announced from the AfriNIC address blocks: 271 AfriNIC Region origin ASes present in the Internet Routing Table: 26 AfriNIC Prefixes per ASN: 32.50 AfriNIC Region origin ASes announcing only one prefix: 8 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: 2497792 Equivalent to 0 /8s, 38 /16s and 29 /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 436 214 25 CSTNET-AS-AP Computer Network Informati 1237 189 75 137 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 129 19 23 NKN-CORE-NW NKN Core Network, IN 4538 124 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 246 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 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US 23024 113 7 20 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 141 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 513 20 87 19 CERN, CH 3267 20 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 178 207 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 27884 93 6 2 CABLECOLOR S.A., HN 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 60 102 40 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 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 329 319 74 TENET-1, ZA 327687 134 28 3 RENU, UG 36914 95 82 3 KENET-AS, KE 2561 75 5 33 EUN, EG 8094 55 48 4 PUKNET, ZA 327700 39 16 1 MoRENet, MZ 37215 30 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 11 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 436 214 25 CSTNET-AS-AP Computer Network Informati 2018 329 319 74 TENET-1, ZA 7896 246 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 189 75 137 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 436 411 CSTNET-AS-AP Computer Network Information Cente 2018 329 255 TENET-1, ZA 7896 246 239 NU-AS, US 5786 201 200 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 1916 178 137 Associacao Rede Nacional de Ensino e Pesquisa, 8895 141 137 ISU Internet Services Unit ISU, SA 18558 137 133 NETBLK-RCOEK, US 327687 134 131 RENU, UG 55824 129 106 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 36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US 19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 108.59.23.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 131.91.252.0/22 11096 FLORIDANET, US 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 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 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL Transit: 11537 INTERNET2-RESEARCH-EDU, US 192.107.242.0/24 Origin: 394784 UNASSIGNED Transit: 40831 PHS, US 205.166.145.0/24 Origin: 394784 UNASSIGNED 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 /16:1519 /17:343 /18:378 /19:504 /20:795 /21:740 /22:1164 /23:1307 /24:9428 /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 136 141 ISU Internet Services Unit ISU, SA 27884 90 93 CABLECOLOR S.A., HN 36914 82 95 KENET-AS, KE 23024 53 113 OCDE, US 327700 33 39 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 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 23:9 24:5 35:2 38:9 40:1 41:139 42:26 44:3 45:60 46:1 47:1 49:10 50:4 52:1 58:1 59:20 60:4 61:4 62:2 63:37 64:50 65:5 66:52 67:45 68:9 69:17 71:1 72:11 74:19 76:32 77:4 80:3 81:1 82:2 84:1 85:12 86:9 87:1 89:2 91:15 92:1 93:1 95:1 96:5 97:1 98:2 101:2 102:7 103:290 104:76 106:1 107:16 108:12 109:6 110:3 111:20 112:4 114:23 115:1 116:4 117:61 118:35 119:19 121:29 122:8 123:8 124:42 125:13 128:78 129:167 130:95 131:89 132:60 133:137 134:90 136:192 137:145 138:10 139:5 140:49 141:3 142:42 143:37 144:54 146:125 147:68 148:154 149:13 150:38 151:10 152:77 153:1 154:24 155:49 156:64 157:25 158:44 159:116 160:25 161:34 162:26 163:64 164:40 165:26 166:1 167:16 168:130 169:10 170:67 171:1 172:2 173:7 175:32 176:8 177:8 179:8 180:21 181:11 182:6 184:6 185:13 186:3 187:18 188:3 189:6 190:138 191:36 192:1070 193:80 194:55 195:53 196:169 197:4 198:514 199:273 200:254 201:39 202:631 203:427 204:359 205:182 206:190 207:173 208:61 209:120 210:190 211:14 212:132 213:2 214:7 216:79 217:2 218:26 219:8 220:24 222:4 223:2 End of report