Global R&E Routing Table Report 20:15 GMT Fri 20 Aug, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 20405 Prefixes after maximum aggregation (per Origin AS): 11153 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 12564 Total ASes present in the Internet Routing Table: 2802 Prefixes per ASN: 7.28 Origin-only ASes present in the Internet Routing Table: 2402 Origin ASes announcing only one prefix: 1108 Transit ASes present in the Internet Routing Table: 400 Transit-only ASes present in the Internet Routing Table: 73 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: 23 Number of instances of unregistered ASNs: 23 Number of 32-bit ASNs allocated by the RIRs: 36957 Number of 32-bit ASNs visible in the Routing Table: 609 Prefixes from 32-bit ASNs in the Routing Table: 1776 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: 7 Number of addresses announced to Internet: 269217367 Equivalent to 16 /8s, 11 /16s and 238 /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: 2500 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5009 Total APNIC prefixes after maximum aggregation: 2418 APNIC Deaggregation factor: 2.07 Prefixes being announced from the APNIC address blocks: 4970 Unique aggregates announced from the APNIC address blocks: 2743 APNIC Region origin ASes present in the Internet Routing Table: 574 APNIC Prefixes per ASN: 8.66 APNIC Region origin ASes announcing only one prefix: 242 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: 216 Number of APNIC addresses announced to Internet: 47080044 Equivalent to 2 /8s, 206 /16s and 98 /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: 9554 Total ARIN prefixes after maximum aggregation: 5184 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 9575 Unique aggregates announced from the ARIN address blocks: 5895 ARIN Region origin ASes present in the Internet Routing Table: 1248 ARIN Prefixes per ASN: 7.67 ARIN Region origin ASes announcing only one prefix: 448 ARIN Region transit ASes present in the Internet Routing Table: 164 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: 163 Number of ARIN addresses announced to Internet: 154881313 Equivalent to 9 /8s, 59 /16s and 77 /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: 3436 Total RIPE prefixes after maximum aggregation: 2759 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3467 Unique aggregates announced from the RIPE address blocks: 2805 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: 324 RIPE Region transit ASes present in the Internet Routing Table: 110 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: 130 Number of RIPE addresses announced to Internet: 59655562 Equivalent to 3 /8s, 142 /16s and 69 /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: 1479 Total LACNIC prefixes after maximum aggregation: 588 LACNIC Deaggregation factor: 2.52 Prefixes being announced from the LACNIC address blocks: 1478 Unique aggregates announced from the LACNIC address blocks: 815 LACNIC Region origin ASes present in the Internet Routing Table: 177 LACNIC Prefixes per ASN: 8.35 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: 75 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: 904 Total AfriNIC prefixes after maximum aggregation: 187 AfriNIC Deaggregation factor: 4.83 Prefixes being announced from the AfriNIC address blocks: 908 Unique aggregates announced from the AfriNIC address blocks: 299 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 18.16 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 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: 2820352 Equivalent to 0 /8s, 43 /16s and 9 /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 629 2155 456 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 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 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 204 207 42 Associacao Rede Nacional de Ensino e Pe 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 91 24 51 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 42 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 337 319 74 TENET-1, ZA 327687 137 28 3 RENU, UG 36914 98 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 55 48 4 PUKNET, ZA 327700 39 16 1 MoRENet, MZ 37215 32 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37182 12 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 748 3282 68 GOOGLE, US 2907 629 2155 456 SINET-AS Research Organization of Infor 7497 434 214 25 CSTNET-AS-AP Computer Network Informati 2018 337 319 74 TENET-1, ZA 680 273 1996 235 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 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 434 409 CSTNET-AS-AP Computer Network Information Cente 2018 337 263 TENET-1, ZA 7896 241 234 NU-AS, US 5786 201 200 UPRENET, PR 58647 198 196 KAGAWAU-AS Kagawa University, JP 2907 629 173 SINET-AS Research Organization of Information a 8895 173 169 ISU Internet Services Unit ISU, SA 1916 204 162 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 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 /16:2172 /17:423 /18:461 /19:718 /20:937 /21:956 /22:1460 /23:1596 /24:11059 /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 85 98 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 41:146 42:30 44:5 45:64 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 66:61 67:45 68:8 69:21 70:9 71:1 72:24 74:83 76:33 77:6 78:3 79:10 80:14 81:29 82:4 83:7 84:9 85:34 86:9 87:1 88:1 89:9 91:47 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:3 102:10 103:304 104:84 106:1 107:16 108:43 109:8 110:5 111:21 112:4 113:1 114:23 116:5 117:61 118:32 119:19 121:27 122:8 123:8 124:42 125:13 128:81 129:172 130:95 131:101 132:60 133:137 134:101 136:194 137:142 138:10 139:5 140:53 141:2 142:157 143:39 144:54 146:122 147:71 148:160 149:13 150:41 151:6 152:77 153:11 154:24 155:50 156:66 157:25 158:45 159:117 160:25 161:22 162:23 163:65 164:40 165:54 166:1 167:17 168:131 169:10 170:66 171:1 172:93 173:86 175:32 176:8 177:10 178:1 179:12 180:21 181:11 182:6 184:10 185:44 186:3 187:18 188:13 189:6 190:48 191:36 192:1459 193:252 194:142 195:93 196:175 197:5 198:542 199:288 200:256 201:39 202:631 203:439 204:369 205:180 206:191 207:176 208:73 209:131 210:184 211:14 212:169 213:4 214:7 216:127 217:15 218:26 219:14 220:16 222:4 223:4 End of report