Global R&E Routing Table Report 20:15 GMT Sat 30 Oct, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 20455 Prefixes after maximum aggregation (per Origin AS): 11181 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 12598 Total ASes present in the Internet Routing Table: 2819 Prefixes per ASN: 7.26 Origin-only ASes present in the Internet Routing Table: 2412 Origin ASes announcing only one prefix: 1108 Transit ASes present in the Internet Routing Table: 407 Transit-only ASes present in the Internet Routing Table: 76 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 15 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 18 Number of instances of unregistered ASNs: 18 Number of 32-bit ASNs allocated by the RIRs: 37699 Number of 32-bit ASNs visible in the Routing Table: 624 Prefixes from 32-bit ASNs in the Routing Table: 1838 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: 268784919 Equivalent to 16 /8s, 5 /16s and 85 /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: 2526 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4987 Total APNIC prefixes after maximum aggregation: 2416 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4910 Unique aggregates announced from the APNIC address blocks: 2723 APNIC Region origin ASes present in the Internet Routing Table: 586 APNIC Prefixes per ASN: 8.38 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 71 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: 225 Number of APNIC addresses announced to Internet: 47241324 Equivalent to 2 /8s, 208 /16s and 216 /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, 131072-151865 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: 9512 Total ARIN prefixes after maximum aggregation: 5174 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 9574 Unique aggregates announced from the ARIN address blocks: 5891 ARIN Region origin ASes present in the Internet Routing Table: 1242 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: 163 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 161 Number of ARIN addresses announced to Internet: 154386113 Equivalent to 9 /8s, 51 /16s and 190 /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: 3473 Total RIPE prefixes after maximum aggregation: 2777 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3498 Unique aggregates announced from the RIPE address blocks: 2819 RIPE Region origin ASes present in the Internet Routing Table: 676 RIPE Prefixes per ASN: 5.17 RIPE Region origin ASes announcing only one prefix: 322 RIPE Region transit ASes present in the Internet Routing Table: 111 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: 131 Number of RIPE addresses announced to Internet: 59743434 Equivalent to 3 /8s, 143 /16s and 156 /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: 1545 Total LACNIC prefixes after maximum aggregation: 619 LACNIC Deaggregation factor: 2.50 Prefixes being announced from the LACNIC address blocks: 1546 Unique aggregates announced from the LACNIC address blocks: 862 LACNIC Region origin ASes present in the Internet Routing Table: 182 LACNIC Prefixes per ASN: 8.49 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: 5.1 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80 Number of LACNIC addresses announced to Internet: 4524064 Equivalent to 0 /8s, 69 /16s and 8 /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: 920 Total AfriNIC prefixes after maximum aggregation: 190 AfriNIC Deaggregation factor: 4.84 Prefixes being announced from the AfriNIC address blocks: 923 Unique aggregates announced from the AfriNIC address blocks: 299 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 17.42 AfriNIC Region origin ASes announcing only one prefix: 24 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.3 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2888960 Equivalent to 0 /8s, 44 /16s and 21 /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 633 2157 458 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 58647 198 18 2 KAGAWAU-AS Kagawa University, JP 1237 191 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 4538 173 4192 72 ERX-CERNET-BKB China Education and Rese 45102 173 209 66 ALIBABA-CN-NET Alibaba US Technology Co 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 4621 81 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 726 3282 67 GOOGLE, US 7896 250 51 7 NU-AS, US 376 233 180 157 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US 5786 200 16 1 UPRENET, PR 6939 173 121 123 HURRICANE, US 2152 162 507 89 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 115 289 85 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 680 276 1998 238 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 177 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 81 676 76 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 68 647 61 FR-RENATER Reseau National de telecommu 2614 59 33 57 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 204 207 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 60 102 40 Fundacao Carlos Chagas Filho de Amparo 52286 53 4 31 Columbus Networks Guatemala, GT 61468 45 3 15 CEDIA, EC 19611 44 17 2 Associacao Antonio Vieira - Unisinos, B 4270 42 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blume 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 344 319 73 TENET-1, ZA 327687 134 28 3 RENU, UG 36914 97 82 3 KENET-AS, KE 2561 73 5 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327700 42 16 1 MoRENet, MZ 37215 33 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 726 3282 67 GOOGLE, US 2907 633 2157 458 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 2018 344 319 73 TENET-1, ZA 680 276 1998 238 DFN Verein zur Foerderung eines Deutsch 7896 250 51 7 NU-AS, US 376 233 180 157 RISQ-AS, CA 668 210 702 181 DNIC-AS-00668, US 8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US 1916 204 207 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 430 406 CSTNET-AS-AP Computer Network Information Cente 2018 344 271 TENET-1, ZA 7896 250 243 NU-AS, US 5786 200 199 UPRENET, PR 58647 198 196 KAGAWAU-AS Kagawa University, JP 2907 633 175 SINET-AS Research Organization of Information a 8895 177 173 ISU Internet Services Unit ISU, SA 1916 204 162 Associacao Rede Nacional de Ensino e Pesquisa, 18558 137 133 NETBLK-RCOEK, US 327687 134 131 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 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 396334 UNALLOCATED 205.143.136.0/21 5078 ONENET-AS-1, US 396334 UNALLOCATED 205.143.136.0/24 5078 ONENET-AS-1, 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 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 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 205.166.145.0/24 Origin: 394784 UNASSIGNED 205.166.145.0/24 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 /15:153 /16:2160 /17:428 /18:482 /19:718 /20:937 /21:945 /22:1492 /23:1633 /24:11025 /25:82 /26:67 /27:59 /28:37 /29:32 /30:18 /31:0 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 15169 273 726 GOOGLE, US 8895 172 177 ISU Internet Services Unit ISU, SA 36914 83 97 KENET-AS, KE 6939 69 173 HURRICANE, US 23024 53 114 OCDE, US 327700 36 42 MoRENet, MZ 58647 34 198 KAGAWAU-AS Kagawa University, JP 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 8:6 12:1 13:1 14:84 18:41 23:15 24:6 31:6 35:1 37:6 38:9 40:1 41:148 42:13 44:5 45:73 46:7 47:30 49:10 50:4 52:2 58:4 59:20 60:4 61:3 62:7 63:38 64:84 65:7 66:59 67:45 68:8 69:21 70:7 71:1 72:25 74:83 76:33 77:6 78:3 79:10 80:17 81:27 82:5 83:7 84:9 85:33 86:9 87:1 88:1 89:10 91:47 92:1 93:20 94:4 95:4 96:5 97:1 98:2 101:8 102:16 103:322 104:79 106:1 107:16 108:43 109:9 110:5 111:21 112:4 113:1 114:23 116:5 117:61 118:32 119:20 121:27 122:8 123:8 124:39 125:5 128:83 129:174 130:93 131:94 132:61 133:138 134:103 136:193 137:139 138:8 139:5 140:52 141:2 142:139 143:35 144:54 146:125 147:61 148:160 149:13 150:42 151:6 152:79 153:11 154:24 155:51 156:68 157:25 158:42 159:117 160:25 161:23 162:23 163:65 164:42 165:54 166:2 167:17 168:163 169:10 170:67 171:1 172:91 173:86 175:31 176:8 177:10 178:1 179:12 180:21 181:12 182:6 184:7 185:45 186:3 187:18 188:13 189:3 190:54 191:36 192:1458 193:255 194:142 195:93 196:181 197:5 198:538 199:286 200:254 201:39 202:583 203:423 204:368 205:174 206:190 207:179 208:72 209:134 210:184 211:14 212:171 213:4 214:7 216:128 217:14 218:25 219:14 220:16 222:5 223:4 End of report