Global R&E Routing Table Report 18:50 GMT Fri 18 Jun, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KENET/ Analysis Summary ---------------- BGP routing table entries examined: 17064 Prefixes after maximum aggregation (per Origin AS): 9486 Deaggregation factor: 1.80 Unique aggregates announced (without unneeded subnets): 10282 Total ASes present in the Internet Routing Table: 2525 Prefixes per ASN: 6.76 Origin-only ASes present in the Internet Routing Table: 2159 Origin ASes announcing only one prefix: 1017 Transit ASes present in the Internet Routing Table: 366 Transit-only ASes present in the Internet Routing Table: 65 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: 36364 Number of 32-bit ASNs visible in the Routing Table: 541 Prefixes from 32-bit ASNs in the Routing Table: 1421 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: 2 Number of addresses announced to Internet: 196771072 Equivalent to 11 /8s, 186 /16s and 125 /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: 2090 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4720 Total APNIC prefixes after maximum aggregation: 2339 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4722 Unique aggregates announced from the APNIC address blocks: 2683 APNIC Region origin ASes present in the Internet Routing Table: 567 APNIC Prefixes per ASN: 8.33 APNIC Region origin ASes announcing only one prefix: 243 APNIC Region transit ASes present in the Internet Routing Table: 61 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: 211 Number of APNIC addresses announced to Internet: 46373632 Equivalent to 2 /8s, 195 /16s and 155 /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: 6591 Total ARIN prefixes after maximum aggregation: 3540 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 6607 Unique aggregates announced from the ARIN address blocks: 3868 ARIN Region origin ASes present in the Internet Routing Table: 1026 ARIN Prefixes per ASN: 6.44 ARIN Region origin ASes announcing only one prefix: 377 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: 125 Number of ARIN addresses announced to Internet: 85919232 Equivalent to 5 /8s, 31 /16s and 6 /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: 3360 Total RIPE prefixes after maximum aggregation: 2737 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3357 Unique aggregates announced from the RIPE address blocks: 2751 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 4.97 RIPE Region origin ASes announcing only one prefix: 324 RIPE Region transit ASes present in the Internet Routing Table: 109 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: 128 Number of RIPE addresses announced to Internet: 58210816 Equivalent to 3 /8s, 120 /16s and 58 /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: 1547 Total LACNIC prefixes after maximum aggregation: 597 LACNIC Deaggregation factor: 2.59 Prefixes being announced from the LACNIC address blocks: 1545 Unique aggregates announced from the LACNIC address blocks: 828 LACNIC Region origin ASes present in the Internet Routing Table: 179 LACNIC Prefixes per ASN: 8.63 LACNIC Region origin ASes announcing only one prefix: 72 LACNIC Region transit ASes present in the Internet Routing Table: 29 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: 76 Number of LACNIC addresses announced to Internet: 4156928 Equivalent to 0 /8s, 63 /16s and 110 /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: 471 Total AfriNIC prefixes after maximum aggregation: 101 AfriNIC Deaggregation factor: 4.66 Prefixes being announced from the AfriNIC address blocks: 831 Unique aggregates announced from the AfriNIC address blocks: 150 AfriNIC Region origin ASes present in the Internet Routing Table: 9 AfriNIC Prefixes per ASN: 92.33 AfriNIC Region origin ASes announcing only one prefix: 1 AfriNIC Region transit ASes present in the Internet Routing Table: 3 Average AfriNIC Region AS path length visible: 2.9 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1 Number of AfriNIC addresses announced to Internet: 2109952 Equivalent to 0 /8s, 32 /16s and 50 /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 2155 455 SINET-AS Research Organization of Infor 7497 428 212 24 CSTNET-AS-AP Computer Network Informati 1237 189 75 137 KREONET-AS-KR KISTI, KR 7575 182 331 126 AARNET-AS-AP Australian Academic and Re 4538 168 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 82 37 11 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 245 51 7 NU-AS, US 5786 201 16 1 UPRENET, PR 2152 158 507 90 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US 2920 109 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 22742 67 52 31 CT-EDU-NET, 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 786 186 1787 184 JANET Jisc Services Limited, GB 8895 140 24 4 ISU Internet Services Unit (ISU), SA 559 116 550 107 SWITCH Peering requests: (peering@switc 1103 97 1520 84 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 56 82 51 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 181 207 41 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 27884 97 6 2 CABLECOLOR S.A., HN 11340 94 24 54 Red Universitaria Nacional, CL 1251 66 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 60 102 40 Fundacao Carlos Chagas Filho de Amparo 4270 44 16 1 Red de Interconexion Universitaria, AR 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 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 324 319 74 TENET-1, ZA 36914 60 82 3 KENET-AS, KE 8094 55 48 4 PUKNET, ZA 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 3208 1 2 1 ARN, DZ 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 720 29 158 >>UNKNOWN<< 2907 607 2155 455 SINET-AS Research Organization of Infor 7497 428 212 24 CSTNET-AS-AP Computer Network Informati 2018 324 319 74 TENET-1, ZA 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 7896 245 51 7 NU-AS, US 5786 201 16 1 UPRENET, PR 1237 189 75 137 KREONET-AS-KR KISTI, KR 786 186 1787 184 JANET Jisc Services Limited, GB 7575 182 331 126 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 428 404 CSTNET-AS-AP Computer Network Information Cente 2018 324 250 TENET-1, ZA 7896 245 238 NU-AS, US 5786 201 200 UPRENET, PR 58647 164 162 KAGAWAU-AS Kagawa University, JP 2907 607 152 SINET-AS Research Organization of Information a 1916 181 140 Associacao Rede Nacional de Ensino e Pesquisa, 8895 140 136 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 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 /16:1911 /17:362 /18:387 /19:543 /20:830 /21:850 /22:1326 /23:1417 /24:9252 /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 357 720 UNASSIGNED 8895 135 140 ISU Internet Services Unit (ISU), SA 27884 94 97 CABLECOLOR S.A., HN 23024 53 56 OCDE, US 36914 34 60 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) ---------------------------------------------- 1:4 5:15 8:2 12:1 14:84 18:41 23:5 24:5 31:6 37:6 38:7 40:1 41:177 42:31 44:5 45:57 46:7 47:1 49:10 50:1 52:1 58:4 59:20 60:4 61:4 62:7 63:34 64:45 65:1 66:35 67:44 68:8 69:17 71:1 72:11 74:19 76:32 77:5 78:3 79:10 80:14 81:32 82:4 83:7 84:5 85:34 86:9 87:1 88:1 89:10 91:48 92:1 93:12 94:4 95:4 97:1 98:2 101:3 103:287 104:9 106:1 108:8 109:8 110:3 111:19 112:4 114:23 115:1 116:5 117:63 118:35 119:18 121:30 122:8 123:8 124:40 125:13 128:84 129:172 130:90 131:44 132:51 133:137 134:84 136:192 137:74 138:14 139:4 140:35 141:2 143:39 144:53 146:125 147:64 148:159 149:13 150:38 151:5 152:72 153:11 154:19 155:47 156:64 157:25 158:45 159:114 160:26 161:16 162:16 163:60 164:40 165:15 166:1 167:11 168:130 169:9 170:50 171:1 172:2 173:2 175:32 176:8 177:7 178:1 179:12 180:21 181:11 182:5 184:12 185:41 186:3 187:17 188:13 189:6 190:142 191:35 192:1294 193:201 194:142 195:44 196:114 197:204 198:339 199:148 200:256 201:38 202:627 203:426 204:284 205:103 206:95 207:107 208:53 209:94 210:185 211:14 212:167 213:4 216:60 217:16 218:26 219:14 220:24 222:4 223:2 End of report