Global R&E Routing Table Report 20:15 GMT Tue 14 Sep, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 20728 Prefixes after maximum aggregation (per Origin AS): 11154 Deaggregation factor: 1.86 Unique aggregates announced (without unneeded subnets): 12543 Total ASes present in the Internet Routing Table: 2781 Prefixes per ASN: 7.45 Origin-only ASes present in the Internet Routing Table: 2393 Origin ASes announcing only one prefix: 1091 Transit ASes present in the Internet Routing Table: 388 Transit-only ASes present in the Internet Routing Table: 62 Average AS path length visible in the Internet Routing Table: 4.1 Max AS path length visible: 16 Max AS path prepend of ASN (211089) 11 Prefixes from unregistered ASNs in the Routing Table: 11 Number of instances of unregistered ASNs: 11 Number of 32-bit ASNs allocated by the RIRs: 37205 Number of 32-bit ASNs visible in the Routing Table: 603 Prefixes from 32-bit ASNs in the Routing Table: 1791 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 6 Number of addresses announced to Internet: 269134391 Equivalent to 16 /8s, 10 /16s and 170 /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: 2621 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5329 Total APNIC prefixes after maximum aggregation: 2401 APNIC Deaggregation factor: 2.22 Prefixes being announced from the APNIC address blocks: 5305 Unique aggregates announced from the APNIC address blocks: 2721 APNIC Region origin ASes present in the Internet Routing Table: 572 APNIC Prefixes per ASN: 9.27 APNIC Region origin ASes announcing only one prefix: 237 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 215 Number of APNIC addresses announced to Internet: 47041164 Equivalent to 2 /8s, 205 /16s and 202 /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: 9525 Total ARIN prefixes after maximum aggregation: 5186 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 9526 Unique aggregates announced from the ARIN address blocks: 5878 ARIN Region origin ASes present in the Internet Routing Table: 1242 ARIN Prefixes per ASN: 7.67 ARIN Region origin ASes announcing only one prefix: 442 ARIN Region transit ASes present in the Internet Routing Table: 162 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 160 Number of ARIN addresses announced to Internet: 154902241 Equivalent to 9 /8s, 59 /16s and 158 /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: 3459 Total RIPE prefixes after maximum aggregation: 2779 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3484 Unique aggregates announced from the RIPE address blocks: 2823 RIPE Region origin ASes present in the Internet Routing Table: 677 RIPE Prefixes per ASN: 5.15 RIPE Region origin ASes announcing only one prefix: 323 RIPE Region transit ASes present in the Internet Routing Table: 109 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 16 Number of RIPE region 32-bit ASNs visible in the Routing Table: 130 Number of RIPE addresses announced to Internet: 59660938 Equivalent to 3 /8s, 142 /16s and 90 /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: 1495 Total LACNIC prefixes after maximum aggregation: 590 LACNIC Deaggregation factor: 2.53 Prefixes being announced from the LACNIC address blocks: 1494 Unique aggregates announced from the LACNIC address blocks: 817 LACNIC Region origin ASes present in the Internet Routing Table: 174 LACNIC Prefixes per ASN: 8.59 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: 5.0 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 72 Number of LACNIC addresses announced to Internet: 4713024 Equivalent to 0 /8s, 71 /16s and 234 /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: 909 Total AfriNIC prefixes after maximum aggregation: 192 AfriNIC Deaggregation factor: 4.73 Prefixes being announced from the AfriNIC address blocks: 913 Unique aggregates announced from the AfriNIC address blocks: 298 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 18.26 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 11 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: 26 Number of AfriNIC addresses announced to Internet: 2815488 Equivalent to 0 /8s, 42 /16s and 246 /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 7497 668 214 26 CSTNET-AS-AP Computer Network Informati 2907 631 2156 457 SINET-AS Research Organization of Infor 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 172 4192 72 ERX-CERNET-BKB China Education and Rese 9264 134 17 3 ASNET Academia Sinica, TW 55824 128 19 23 NKN-CORE-NW NKN Core Network, IN 45102 92 186 50 CNNIC-ALIBABA-US-NET-AP Alibaba US Tech 4621 81 37 10 UNINET-AS-AP UNINET-, TH 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 750 3282 67 GOOGLE, US 7896 241 51 7 NU-AS, US 376 234 180 158 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US 5786 195 16 1 UPRENET, PR 6939 170 121 121 HURRICANE, US 2152 160 507 88 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 119 329 88 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 680 275 1998 237 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 559 115 550 106 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 67 647 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/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 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/KREONet2/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 342 319 74 TENET-1, ZA 327687 137 28 3 RENU, UG 36914 99 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 54 48 9 PUKNET, ZA 327700 37 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/KREONet2/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 15169 750 3282 67 GOOGLE, US 7497 668 214 26 CSTNET-AS-AP Computer Network Informati 2907 631 2156 457 SINET-AS Research Organization of Infor 2018 342 319 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 668 210 702 181 DNIC-AS-00668, US 8075 206 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 668 642 CSTNET-AS-AP Computer Network Information Cente 2018 342 268 TENET-1, ZA 7896 241 234 NU-AS, US 58647 198 196 KAGAWAU-AS Kagawa University, JP 5786 195 194 UPRENET, PR 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, 327687 137 134 RENU, UG 18558 137 133 NETBLK-RCOEK, US 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 19658 UNALLOCATED 65.205.131.0/24 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 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 394784 UNALLOCATED 192.107.242.0/24 40831 PHS, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, 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, 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 172.16.150.0/24 Transit: 1237 KREONET-AS-KR KISTI, KR 172.16.160.0/24 Origin: 9489 KARINET-AS Korea Aerospace Research Inst 172.16.160.0/24 Transit: 1237 KREONET-AS-KR KISTI, KR 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: 17579 KREONET2-AS-KR KISTI, KR 192.107.242.0/24 Origin: 394784 UNASSIGNED 192.107.242.0/24 Transit: 40831 PHS, US 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 /16:2173 /17:423 /18:469 /19:702 /20:921 /21:947 /22:1481 /23:1582 /24:11166 /25:174 /26:151 /27:114 /28:38 /29:32 /30:19 /31:0 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 15169 275 750 GOOGLE, US 8895 168 173 ISU Internet Services Unit ISU, SA 7497 128 668 CSTNET-AS-AP Computer Network Information Cente 36914 86 99 KENET-AS, KE 6939 68 170 HURRICANE, US 23024 53 114 OCDE, US 58647 34 198 KAGAWAU-AS Kagawa University, JP 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 327700 31 37 MoRENet, MZ 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 14:83 18:41 23:15 24:6 31:6 35:1 37:6 38:9 40:1 41:147 42:13 44:5 45:70 46:7 47:7 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 74:83 76:33 77:6 78:3 79:10 80:18 81:29 82:5 83:7 84:9 85:35 86:9 87:1 88:1 89:10 91:48 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:3 102:12 103:312 104:78 106:1 107:16 108:43 109:8 110:5 111:21 112:4 113:1 114:23 116:5 117:61 118:32 119:18 121:27 122:8 123:8 124:39 125:7 128:81 129:173 130:95 131:100 132:61 133:138 134:101 136:188 137:141 138:10 139:5 140:177 141:2 142:160 143:39 144:54 146:125 147:61 148:160 149:13 150:41 151:6 152:77 153:11 154:24 155:51 156:66 157:25 158:45 159:117 160:25 161:22 162:23 163:67 164:40 165:54 166:2 167:17 168:131 169:10 170:67 171:1 172:93 173:86 175:32 176:8 177:10 178:1 179:11 180:21 181:11 182:6 184:8 185:46 186:3 187:18 188:12 189:3 190:48 191:36 192:1457 193:254 194:144 195:93 196:179 197:5 198:543 199:287 200:254 201:39 202:625 203:438 204:371 205:180 206:190 207:176 208:73 209:135 210:185 211:14 212:171 213:4 214:7 216:128 217:15 218:25 219:14 220:16 222:5 223:4 End of report