Global R&E Routing Table Report 22:15 GMT Sun 19 Sep, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/ Analysis Summary ---------------- BGP routing table entries examined: 18203 Prefixes after maximum aggregation (per Origin AS): 10130 Deaggregation factor: 1.80 Unique aggregates announced (without unneeded subnets): 11349 Total ASes present in the Internet Routing Table: 2704 Prefixes per ASN: 6.73 Origin-only ASes present in the Internet Routing Table: 2332 Origin ASes announcing only one prefix: 1072 Transit ASes present in the Internet Routing Table: 372 Transit-only ASes present in the Internet Routing Table: 54 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 15 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 16 Number of instances of unregistered ASNs: 16 Number of 32-bit ASNs allocated by the RIRs: 37275 Number of 32-bit ASNs visible in the Routing Table: 593 Prefixes from 32-bit ASNs in the Routing Table: 1779 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: 200845120 Equivalent to 11 /8s, 248 /16s and 167 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 2034 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4742 Total APNIC prefixes after maximum aggregation: 2320 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4744 Unique aggregates announced from the APNIC address blocks: 2633 APNIC Region origin ASes present in the Internet Routing Table: 567 APNIC Prefixes per ASN: 8.37 APNIC Region origin ASes announcing only one prefix: 236 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 213 Number of APNIC addresses announced to Internet: 46150208 Equivalent to 2 /8s, 192 /16s and 50 /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: 7643 Total ARIN prefixes after maximum aggregation: 4288 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 7662 Unique aggregates announced from the ARIN address blocks: 4831 ARIN Region origin ASes present in the Internet Routing Table: 1177 ARIN Prefixes per ASN: 6.51 ARIN Region origin ASes announcing only one prefix: 423 ARIN Region transit ASes present in the Internet Routing Table: 155 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 153 Number of ARIN addresses announced to Internet: 89789168 Equivalent to 5 /8s, 90 /16s and 18 /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: 3391 Total RIPE prefixes after maximum aggregation: 2737 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3377 Unique aggregates announced from the RIPE address blocks: 2767 RIPE Region origin ASes present in the Internet Routing Table: 674 RIPE Prefixes per ASN: 5.01 RIPE Region origin ASes announcing only one prefix: 323 RIPE Region transit ASes present in the Internet Routing Table: 106 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 130 Number of RIPE addresses announced to Internet: 58028992 Equivalent to 3 /8s, 117 /16s and 115 /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: 1497 Total LACNIC prefixes after maximum aggregation: 586 LACNIC Deaggregation factor: 2.55 Prefixes being announced from the LACNIC address blocks: 1502 Unique aggregates announced from the LACNIC address blocks: 818 LACNIC Region origin ASes present in the Internet Routing Table: 174 LACNIC Prefixes per ASN: 8.63 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: 3.8 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71 Number of LACNIC addresses announced to Internet: 4188496 Equivalent to 0 /8s, 63 /16s and 233 /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: 914 Total AfriNIC prefixes after maximum aggregation: 188 AfriNIC Deaggregation factor: 4.86 Prefixes being announced from the AfriNIC address blocks: 914 Unique aggregates announced from the AfriNIC address blocks: 296 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 17.92 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2687232 Equivalent to 0 /8s, 41 /16s and 1 /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 627 2157 458 SINET-AS Research Organization of Infor 7497 433 214 25 CSTNET-AS-AP Computer Network Informati 58647 198 18 2 KAGAWAU-AS Kagawa University, JP 1237 188 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 55824 129 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/RedCLARA/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 5786 195 16 1 UPRENET, PR 2152 156 507 85 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 2920 111 34 6 LACOE, US 21976 88 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 78 528 13 MIT-GATEWAYS, US 3477 72 71 42 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 275 1998 237 DFN Verein zur Foerderung eines Deutsch 786 186 1763 184 JANET Jisc Services Limited, GB 8895 171 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 66 647 61 FR-RENATER Reseau National de telecommu 2614 61 32 58 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 204 207 42 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 58 102 38 Fundacao Carlos Chagas Filho de Amparo 61468 45 3 15 CEDIA, EC 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 4270 43 16 1 Red de Interconexion Universitaria, AR 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/RedCLARA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 343 319 74 TENET-1, ZA 327687 135 28 3 RENU, UG 36914 102 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 55 48 4 PUKNET, ZA 327700 38 16 1 MoRENet, MZ 37215 32 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 14 8 1 TERNET, TZ 37074 11 8 2 UG-AS, GH Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 627 2157 458 SINET-AS Research Organization of Infor 7497 433 214 25 CSTNET-AS-AP Computer Network Informati 2018 343 319 74 TENET-1, ZA 680 275 1998 237 DFN Verein zur Foerderung eines Deutsch 7896 241 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 1916 204 207 42 Associacao Rede Nacional de Ensino e Pe 58647 198 18 2 KAGAWAU-AS Kagawa University, JP 5786 195 16 1 UPRENET, PR 1237 188 74 135 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 433 408 CSTNET-AS-AP Computer Network Information Cente 2018 343 269 TENET-1, ZA 7896 241 234 NU-AS, US 58647 198 196 KAGAWAU-AS Kagawa University, JP 5786 195 194 UPRENET, PR 8895 171 167 ISU Internet Services Unit ISU, SA 1916 204 162 Associacao Rede Nacional de Ensino e Pesquisa, 18558 137 133 NETBLK-RCOEK, US 327687 135 132 RENU, UG 55824 129 106 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 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 Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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/RedCLARA/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/RedCLARA/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 /12:10 /13:18 /14:34 /15:117 /16:1962 /17:377 /18:426 /19:557 /20:850 /21:862 /22:1402 /23:1502 /24:9820 /25:77 /26:66 /27:57 /28:23 /29:27 /30:7 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8895 166 171 ISU Internet Services Unit ISU, SA 36914 89 102 KENET-AS, KE 23024 53 56 OCDE, US 58647 34 198 KAGAWAU-AS Kagawa University, JP 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 327700 32 38 MoRENet, MZ 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 43 LONI, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:15 8:2 12:1 14:84 18:41 23:8 24:6 31:6 37:6 38:9 40:1 41:151 42:8 44:5 45:57 46:7 47:1 49:10 50:1 52:1 58:1 59:20 60:4 61:3 62:7 63:34 64:46 65:1 66:36 67:43 68:8 69:21 71:1 72:12 74:20 76:32 77:6 78:3 79:10 80:18 81:29 82:4 83:7 84:5 85:35 86:9 87:1 88:1 89:10 91:47 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:2 102:12 103:295 104:15 106:1 108:8 109:8 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:18 121:26 122:8 123:8 124:39 125:7 128:81 129:172 130:95 131:88 132:61 133:138 134:96 136:187 137:140 138:8 139:5 140:36 141:2 142:43 143:39 144:54 146:124 147:58 148:159 149:13 150:38 151:6 152:77 153:11 154:24 155:50 156:65 157:20 158:45 159:117 160:25 161:16 162:20 163:62 164:40 165:54 166:1 167:16 168:130 169:10 170:51 171:1 172:2 173:2 175:31 176:8 177:10 178:1 179:11 180:21 181:11 182:6 184:3 185:41 186:3 187:18 188:12 189:3 190:48 191:36 192:1314 193:242 194:126 195:84 196:178 197:5 198:456 199:245 200:253 201:39 202:617 203:422 204:355 205:172 206:177 207:166 208:56 209:114 210:185 211:14 212:169 213:4 216:80 217:15 218:25 219:8 220:16 222:5 223:2 End of report