Global R&E Routing Table Report 20:15 GMT Tue 17 Aug, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 20355 Prefixes after maximum aggregation (per Origin AS): 11150 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 12546 Total ASes present in the Internet Routing Table: 2798 Prefixes per ASN: 7.27 Origin-only ASes present in the Internet Routing Table: 2396 Origin ASes announcing only one prefix: 1100 Transit ASes present in the Internet Routing Table: 402 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 16 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 24 Number of instances of unregistered ASNs: 24 Number of 32-bit ASNs allocated by the RIRs: 36911 Number of 32-bit ASNs visible in the Routing Table: 613 Prefixes from 32-bit ASNs in the Routing Table: 1780 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 4 Prefixes being announced from unallocated address space: 8 Number of addresses announced to Internet: 268801623 Equivalent to 16 /8s, 5 /16s and 150 /24s Percentage of available address space announced: 7.3 Percentage of allocated address space announced: 7.3 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: 2484 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5014 Total APNIC prefixes after maximum aggregation: 2423 APNIC Deaggregation factor: 2.07 Prefixes being announced from the APNIC address blocks: 4975 Unique aggregates announced from the APNIC address blocks: 2748 APNIC Region origin ASes present in the Internet Routing Table: 577 APNIC Prefixes per ASN: 8.62 APNIC Region origin ASes announcing only one prefix: 243 APNIC Region transit ASes present in the Internet Routing Table: 65 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 219 Number of APNIC addresses announced to Internet: 47085164 Equivalent to 2 /8s, 206 /16s and 118 /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: 9517 Total ARIN prefixes after maximum aggregation: 5168 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 9538 Unique aggregates announced from the ARIN address blocks: 5869 ARIN Region origin ASes present in the Internet Routing Table: 1237 ARIN Prefixes per ASN: 7.71 ARIN Region origin ASes announcing only one prefix: 441 ARIN Region transit ASes present in the Internet Routing Table: 161 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 164 Number of ARIN addresses announced to Internet: 154455585 Equivalent to 9 /8s, 52 /16s and 206 /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: 3437 Total RIPE prefixes after maximum aggregation: 2764 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3468 Unique aggregates announced from the RIPE address blocks: 2807 RIPE Region origin ASes present in the Internet Routing Table: 675 RIPE Prefixes per ASN: 5.14 RIPE Region origin ASes announcing only one prefix: 323 RIPE Region transit ASes present in the Internet Routing Table: 112 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: 129 Number of RIPE addresses announced to Internet: 59664778 Equivalent to 3 /8s, 142 /16s and 105 /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: 1472 Total LACNIC prefixes after maximum aggregation: 591 LACNIC Deaggregation factor: 2.49 Prefixes being announced from the LACNIC address blocks: 1471 Unique aggregates announced from the LACNIC address blocks: 816 LACNIC Region origin ASes present in the Internet Routing Table: 177 LACNIC Prefixes per ASN: 8.31 LACNIC Region origin ASes announcing only one prefix: 71 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 76 Number of LACNIC addresses announced to Internet: 4709440 Equivalent to 0 /8s, 71 /16s and 220 /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: 891 Total AfriNIC prefixes after maximum aggregation: 186 AfriNIC Deaggregation factor: 4.79 Prefixes being announced from the AfriNIC address blocks: 895 Unique aggregates announced from the AfriNIC address blocks: 298 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 18.27 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.1 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2819328 Equivalent to 0 /8s, 43 /16s and 5 /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 631 2156 457 SINET-AS Research Organization of Infor 7497 434 214 25 CSTNET-AS-AP Computer Network Informati 58647 198 18 2 KAGAWAU-AS Kagawa University, JP 1237 192 74 135 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 55824 129 19 23 NKN-CORE-NW NKN Core Network, IN 45102 103 202 54 CNNIC-ALIBABA-US-NET-AP Alibaba US Tech 4621 81 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 15169 748 3282 68 GOOGLE, US 7896 240 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 8075 207 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US 5786 201 16 1 UPRENET, PR 6939 171 121 122 HURRICANE, US 2152 161 507 89 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 1763 184 JANET Jisc Services Limited, GB 8895 173 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 67 647 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/KREONet2/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 203 207 42 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 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 40 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/KREONet2/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 135 28 3 RENU, UG 36914 97 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 55 48 4 PUKNET, ZA 327700 39 16 1 MoRENet, MZ 37215 31 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/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 15169 748 3282 68 GOOGLE, US 2907 631 2156 457 SINET-AS Research Organization of Infor 7497 434 214 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 240 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 8075 207 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US 1916 203 207 42 Associacao Rede Nacional de Ensino e Pe Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 434 409 CSTNET-AS-AP Computer Network Information Cente 2018 329 255 TENET-1, ZA 7896 240 233 NU-AS, US 5786 201 200 UPRENET, PR 58647 198 196 KAGAWAU-AS Kagawa University, JP 2907 631 174 SINET-AS Research Organization of Information a 8895 173 169 ISU Internet Services Unit ISU, SA 1916 203 161 Associacao Rede Nacional de Ensino e Pesquisa, 18558 137 133 NETBLK-RCOEK, US 327687 135 132 RENU, UG Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 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 Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 172.16.150.0/24 9489 KARINET-AS Korea Aerospace Research Institute, 172.16.160.0/24 9489 KARINET-AS Korea Aerospace Research Institute, 172.30.0.0/16 9489 KARINET-AS Korea Aerospace Research Institute, 192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 172.16.150.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst Transit: 1237 KREONET-AS-KR KISTI, KR 172.16.160.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst Transit: 1237 KREONET-AS-KR KISTI, KR 172.30.0.0/16 Origin: 9489 KARINET-AS Korea Aerospace Research Inst Transit: 1237 KREONET-AS-KR KISTI, KR 192.31.196.0/24 Origin: 112 UNASSIGNED Transit: 7500 M-ROOT-DNS WIDE Project, JP 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL Transit: 17579 KREONET2-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/KREONet2/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 /10:4 /11:6 /12:24 /13:37 /14:84 /15:149 /16:2166 /17:421 /18:456 /19:711 /20:934 /21:954 /22:1461 /23:1595 /24:11034 /25:79 /26:65 /27:55 /28:37 /29:32 /30:19 /31:0 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 15169 275 748 GOOGLE, US 8895 168 173 ISU Internet Services Unit ISU, SA 36914 84 97 KENET-AS, KE 6939 69 171 HURRICANE, US 23024 53 114 OCDE, US 58647 34 198 KAGAWAU-AS Kagawa University, JP 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 Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:17 6:4 8:4 12:1 13:1 14:84 18:41 23:14 24:6 31:6 35:1 37:6 38:9 40:1 41:141 42:30 44:5 45:66 46:7 47:11 49:10 50:4 52:2 58:4 59:20 60:4 61:3 62:7 63:38 64:84 65:8 66:59 67:45 68:8 69:21 70:9 71:1 72:24 74:82 76:33 77:6 78:3 79:10 80:14 81:29 82:4 83:7 84:9 85:33 86:9 87:1 88:1 89:9 91:47 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:3 102:10 103:307 104:84 106:1 107:16 108:43 109:8 110:5 111:21 112:4 113:1 114:23 116:5 117:61 118:32 119:19 121:27 122:8 123:8 124:42 125:13 128:80 129:173 130:95 131:96 132:60 133:137 134:97 136:194 137:141 138:10 139:5 140:53 141:2 142:157 143:39 144:54 146:125 147:69 148:160 149:13 150:41 151:6 152:77 153:11 154:24 155:50 156:66 157:25 158:45 159:117 160:25 161:22 162:22 163:65 164:40 165:54 166:1 167:17 168:131 169:10 170:65 171:1 172:93 173:86 175:32 176:8 177:9 178:1 179:12 180:21 181:11 182:6 184:10 185:45 186:3 187:18 188:13 189:6 190:47 191:36 192:1457 193:252 194:142 195:93 196:170 197:5 198:541 199:285 200:255 201:39 202:635 203:440 204:370 205:180 206:190 207:176 208:72 209:131 210:184 211:14 212:168 213:4 214:7 216:127 217:15 218:26 219:14 220:16 222:4 223:4 End of report