Global R&E Routing Table Report 18:50 GMT Tue 10 Aug, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KENET/ Analysis Summary ---------------- BGP routing table entries examined: 17135 Prefixes after maximum aggregation (per Origin AS): 9521 Deaggregation factor: 1.80 Unique aggregates announced (without unneeded subnets): 10389 Total ASes present in the Internet Routing Table: 2534 Prefixes per ASN: 6.76 Origin-only ASes present in the Internet Routing Table: 2166 Origin ASes announcing only one prefix: 1019 Transit ASes present in the Internet Routing Table: 368 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 5.2 Max AS path length visible: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 375 Number of instances of unregistered ASNs: 375 Number of 32-bit ASNs allocated by the RIRs: 36837 Number of 32-bit ASNs visible in the Routing Table: 551 Prefixes from 32-bit ASNs in the Routing Table: 1453 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: 196507648 Equivalent to 11 /8s, 182 /16s and 120 /24s Percentage of available address space announced: 5.3 Percentage of allocated address space announced: 5.3 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: 2064 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4704 Total APNIC prefixes after maximum aggregation: 2330 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4706 Unique aggregates announced from the APNIC address blocks: 2673 APNIC Region origin ASes present in the Internet Routing Table: 568 APNIC Prefixes per ASN: 8.29 APNIC Region origin ASes announcing only one prefix: 240 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 5.4 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 213 Number of APNIC addresses announced to Internet: 46205184 Equivalent to 2 /8s, 193 /16s and 9 /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: 6594 Total ARIN prefixes after maximum aggregation: 3535 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 6614 Unique aggregates announced from the ARIN address blocks: 3895 ARIN Region origin ASes present in the Internet Routing Table: 1028 ARIN Prefixes per ASN: 6.43 ARIN Region origin ASes announcing only one prefix: 380 ARIN Region transit ASes present in the Internet Routing Table: 144 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 131 Number of ARIN addresses announced to Internet: 85852672 Equivalent to 5 /8s, 30 /16s and 2 /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: 3362 Total RIPE prefixes after maximum aggregation: 2743 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3361 Unique aggregates announced from the RIPE address blocks: 2757 RIPE Region origin ASes present in the Internet Routing Table: 674 RIPE Prefixes per ASN: 4.99 RIPE Region origin ASes announcing only one prefix: 326 RIPE Region transit ASes present in the Internet Routing Table: 110 Average RIPE Region AS path length visible: 4.9 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: 58099968 Equivalent to 3 /8s, 118 /16s and 137 /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: 1536 Total LACNIC prefixes after maximum aggregation: 585 LACNIC Deaggregation factor: 2.63 Prefixes being announced from the LACNIC address blocks: 1534 Unique aggregates announced from the LACNIC address blocks: 812 LACNIC Region origin ASes present in the Internet Routing Table: 177 LACNIC Prefixes per ASN: 8.67 LACNIC Region origin ASes announcing only one prefix: 72 LACNIC Region transit ASes present in the Internet Routing Table: 27 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 75 Number of LACNIC addresses announced to Internet: 4213504 Equivalent to 0 /8s, 64 /16s and 75 /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: 564 Total AfriNIC prefixes after maximum aggregation: 143 AfriNIC Deaggregation factor: 3.94 Prefixes being announced from the AfriNIC address blocks: 916 Unique aggregates announced from the AfriNIC address blocks: 248 AfriNIC Region origin ASes present in the Internet Routing Table: 12 AfriNIC Prefixes per ASN: 76.33 AfriNIC Region origin ASes announcing only one prefix: 1 AfriNIC Region transit ASes present in the Internet Routing Table: 5 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 2 Number of AfriNIC addresses announced to Internet: 2135296 Equivalent to 0 /8s, 32 /16s and 149 /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 607 2140 455 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 4538 169 4192 72 ERX-CERNET-BKB China Education and Rese 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 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/KENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 247 51 7 NU-AS, US 5786 200 16 1 UPRENET, PR 2152 153 505 83 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US 2920 108 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 78 528 13 MIT-GATEWAYS, US 3477 70 71 41 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 786 187 1779 185 JANET Jisc Services Limited, GB 8895 141 24 4 ISU Internet Services Unit ISU, SA 559 116 550 107 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 62 32 59 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/KENET/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 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/KENET/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 2561 72 5 31 EUN, EG 8094 55 48 4 PUKNET, ZA 36914 50 82 3 KENET-AS, KE 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37520 5 16 2 Rhodes-Univ, ZA 327945 4 0 2 ILRI, KE 30983 3 4 1 MARWAN-AS, MA Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 65412 704 30 168 >>UNKNOWN<< 2907 607 2140 455 SINET-AS Research Organization of Infor 7497 436 214 25 CSTNET-AS-AP Computer Network Informati 2018 329 319 74 TENET-1, ZA 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 7896 247 51 7 NU-AS, US 5786 200 16 1 UPRENET, PR 1237 189 75 137 KREONET-AS-KR KISTI, KR 786 187 1779 185 JANET Jisc Services Limited, GB 7575 180 330 126 AARNET-AS-AP Australian Academic and Re Complete listing at https://bgp.nsrc.org/REN/KENET/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 247 240 NU-AS, US 5786 200 199 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 2907 607 152 SINET-AS Research Organization of Information a 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 55824 128 106 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/KENET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65412 PRIVATE 41.89.4.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.8.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.10.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.16.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.17.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.18.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.20.0/23 36914 KENET-AS, KE 65412 PRIVATE 41.89.22.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.24.0/24 36914 KENET-AS, KE 65412 PRIVATE 41.89.25.0/24 36914 KENET-AS, KE Complete listing at https://bgp.nsrc.org/REN/KENET/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/KENET/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/KENET/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 /13:19 /14:36 /15:117 /16:1903 /17:366 /18:385 /19:544 /20:832 /21:847 /22:1300 /23:1430 /24:9342 /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 65412 348 704 UNASSIGNED 8895 136 141 ISU Internet Services Unit ISU, SA 27884 90 93 CABLECOLOR S.A., HN 23024 53 57 OCDE, US 36914 34 50 KENET-AS, KE 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:15 8:2 12:1 14:84 18:41 23:6 24:4 31:6 37:6 38:7 40:1 41:174 42:30 44:5 45:61 46:7 47:1 49:10 50:1 52:1 58:4 59:20 60:4 61:3 62:7 63:34 64:45 65:1 66:34 67:43 68:8 69:18 71:1 72:11 74:20 76:32 77:6 78:3 79:10 80:14 81:29 82:4 83:7 84:9 85:34 86:9 87:1 88:1 89:9 91:46 92:1 93:12 94:4 95:5 97:1 98:2 101:3 102:1 103:294 104:14 106:1 108:8 109:8 110:3 111:19 112:4 114:23 116:5 117:61 118:32 119:19 121:27 122:8 123:8 124:42 125:13 128:79 129:171 130:94 131:43 132:55 133:137 134:85 136:191 137:74 138:10 139:4 140:31 141:2 143:39 144:54 146:125 147:67 148:159 149:13 150:38 151:6 152:73 153:11 154:19 155:49 156:65 157:25 158:45 159:116 160:25 161:16 162:19 163:59 164:40 165:16 166:1 167:12 168:130 169:10 170:51 171:1 172:2 173:2 175:32 176:8 177:10 178:1 179:8 180:21 181:11 182:5 184:6 185:41 186:3 187:17 188:13 189:6 190:138 191:36 192:1295 193:250 194:144 195:93 196:116 197:198 198:336 199:151 200:253 201:38 202:633 203:427 204:283 205:101 206:95 207:105 208:52 209:94 210:182 211:14 212:169 213:4 216:59 217:15 218:26 219:14 220:16 222:4 223:2 End of report