Global R&E Routing Table Report 19:05 GMT Thu 01 Jul, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/ Analysis Summary ---------------- BGP routing table entries examined: 19035 Prefixes after maximum aggregation (per Origin AS): 10652 Deaggregation factor: 1.79 Unique aggregates announced (without unneeded subnets): 12026 Total ASes present in the Internet Routing Table: 2777 Prefixes per ASN: 6.85 Origin-only ASes present in the Internet Routing Table: 2373 Origin ASes announcing only one prefix: 1101 Transit ASes present in the Internet Routing Table: 404 Transit-only ASes present in the Internet Routing Table: 74 Average AS path length visible in the Internet Routing Table: 5.4 Max AS path length visible: 21 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 20 Number of instances of unregistered ASNs: 20 Number of 32-bit ASNs allocated by the RIRs: 36499 Number of 32-bit ASNs visible in the Routing Table: 600 Prefixes from 32-bit ASNs in the Routing Table: 1717 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: 3 Number of addresses announced to Internet: 208860160 Equivalent to 12 /8s, 114 /16s and 244 /24s Percentage of available address space announced: 5.6 Percentage of allocated address space announced: 5.6 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: 1996 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4880 Total APNIC prefixes after maximum aggregation: 2367 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4883 Unique aggregates announced from the APNIC address blocks: 2694 APNIC Region origin ASes present in the Internet Routing Table: 571 APNIC Prefixes per ASN: 8.55 APNIC Region origin ASes announcing only one prefix: 241 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 215 Number of APNIC addresses announced to Internet: 46391040 Equivalent to 2 /8s, 195 /16s and 223 /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: 8348 Total ARIN prefixes after maximum aggregation: 4759 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 8359 Unique aggregates announced from the ARIN address blocks: 5461 ARIN Region origin ASes present in the Internet Routing Table: 1230 ARIN Prefixes per ASN: 6.80 ARIN Region origin ASes announcing only one prefix: 447 ARIN Region transit ASes present in the Internet Routing Table: 166 Average ARIN Region AS path length visible: 5.8 Max ARIN Region AS path length visible: 21 Number of ARIN region 32-bit ASNs visible in the Routing Table: 153 Number of ARIN addresses announced to Internet: 97502720 Equivalent to 5 /8s, 207 /16s and 198 /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: 3354 Total RIPE prefixes after maximum aggregation: 2730 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3360 Unique aggregates announced from the RIPE address blocks: 2751 RIPE Region origin ASes present in the Internet Routing Table: 671 RIPE Prefixes per ASN: 5.01 RIPE Region origin ASes announcing only one prefix: 322 RIPE Region transit ASes present in the Internet Routing Table: 109 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 129 Number of RIPE addresses announced to Internet: 58147840 Equivalent to 3 /8s, 119 /16s and 68 /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: 1551 Total LACNIC prefixes after maximum aggregation: 593 LACNIC Deaggregation factor: 2.62 Prefixes being announced from the LACNIC address blocks: 1548 Unique aggregates announced from the LACNIC address blocks: 821 LACNIC Region origin ASes present in the Internet Routing Table: 179 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: 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: 77 Number of LACNIC addresses announced to Internet: 4213248 Equivalent to 0 /8s, 64 /16s and 74 /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: 882 Total AfriNIC prefixes after maximum aggregation: 184 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 882 Unique aggregates announced from the AfriNIC address blocks: 296 AfriNIC Region origin ASes present in the Internet Routing Table: 46 AfriNIC Prefixes per ASN: 19.17 AfriNIC Region origin ASes announcing only one prefix: 21 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 6.0 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2600704 Equivalent to 0 /8s, 39 /16s and 175 /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 2155 455 SINET-AS Research Organization of Infor 7497 433 215 29 CSTNET-AS-AP Computer Network Informati 1237 189 75 137 KREONET-AS-KR KISTI, KR 7575 181 331 127 AARNET-AS-AP Australian Academic and Re 58647 164 18 2 KAGAWAU-AS Kagawa University, JP 4758 156 16 1 NICNET-VSNL-BOARDER-AP National Informa 55824 134 19 27 NKN-CORE-NW NKN Core Network, IN 4538 124 4192 72 ERX-CERNET-BKB China Education and Rese 4621 82 37 11 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/BDREN/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 376 235 180 158 RISQ-AS, CA 668 209 702 180 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR 2152 159 507 91 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US 23024 114 7 17 OCDE, US 2920 109 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US Complete listing at https://bgp.nsrc.org/REN/BDREN/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 1787 185 JANET Jisc Services Limited, GB 8895 141 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 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/BDREN/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 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/BDREN/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 327687 136 28 3 RENU, UG 36914 98 82 3 KENET-AS, KE 2561 74 5 34 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 37074 11 8 2 UG-AS, GH 37182 11 8 1 TERNET, TZ Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 608 2155 455 SINET-AS Research Organization of Infor 7497 433 215 29 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 376 235 180 158 RISQ-AS, CA 668 209 702 180 DNIC-AS-00668, US 5786 201 16 1 UPRENET, PR 1237 189 75 137 KREONET-AS-KR KISTI, KR 786 187 1787 185 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 433 404 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 4758 156 155 NICNET-VSNL-BOARDER-AP National Informatics Cen 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 136 133 RENU, UG Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and Comm 36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US 19658 UNALLOCATED 65.205.131.0/24 11096 FLORIDANET, US 65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and Comm 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 36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US Complete listing at https://bgp.nsrc.org/REN/BDREN/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/BDREN/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.240.0/20 Origin: 328439 UNASSIGNED Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK, 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: 20965 GEANT The GEANT IP Service, NL Complete listing at https://bgp.nsrc.org/REN/BDREN/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 /14:37 /15:118 /16:2055 /17:385 /18:422 /19:603 /20:917 /21:921 /22:1439 /23:1530 /24:10576 /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 85 98 KENET-AS, KE 23024 53 114 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/BDREN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:15 6:4 8:2 12:1 14:84 18:41 23:7 24:6 31:6 37:6 38:9 40:1 41:142 42:26 44:5 45:65 46:7 47:1 49:10 50:4 52:1 58:1 59:20 60:4 61:4 62:7 63:38 64:55 65:5 66:54 67:45 68:8 69:17 71:1 72:14 74:17 76:33 77:7 78:3 79:10 80:14 81:32 82:4 83:7 84:4 85:34 86:9 87:1 88:1 89:10 91:46 92:1 93:12 94:4 95:4 96:5 97:1 98:2 101:2 102:9 103:299 104:72 106:1 107:17 108:8 109:8 110:3 111:20 112:4 114:23 115:1 116:6 117:63 118:35 119:18 121:29 122:8 123:8 124:40 125:13 128:86 129:174 130:91 131:97 132:60 133:137 134:92 136:193 137:147 138:14 139:5 140:50 141:2 142:43 143:39 144:53 146:125 147:72 148:160 149:13 150:38 151:4 152:76 153:11 154:24 155:47 156:64 157:25 158:44 159:115 160:26 161:17 162:24 163:65 164:163 165:16 166:1 167:16 168:130 169:9 170:67 171:1 172:2 173:7 175:32 176:8 177:8 178:1 179:13 180:21 181:11 182:6 184:12 185:40 186:3 187:18 188:13 189:6 190:138 191:36 192:1445 193:248 194:143 195:94 196:168 197:4 198:518 199:278 200:256 201:39 202:637 203:435 204:360 205:175 206:196 207:178 208:60 209:121 210:188 211:14 212:168 213:4 214:7 216:80 217:16 218:26 219:8 220:24 222:4 223:2 End of report