Global R&E Routing Table Report 20:15 GMT Thu 21 Oct, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KREONet2/ Analysis Summary ---------------- BGP routing table entries examined: 20417 Prefixes after maximum aggregation (per Origin AS): 11188 Deaggregation factor: 1.82 Unique aggregates announced (without unneeded subnets): 12596 Total ASes present in the Internet Routing Table: 2821 Prefixes per ASN: 7.24 Origin-only ASes present in the Internet Routing Table: 2411 Origin ASes announcing only one prefix: 1109 Transit ASes present in the Internet Routing Table: 410 Transit-only ASes present in the Internet Routing Table: 80 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: 37583 Number of 32-bit ASNs visible in the Routing Table: 624 Prefixes from 32-bit ASNs in the Routing Table: 1811 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: 268703767 Equivalent to 16 /8s, 4 /16s and 24 /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: 2527 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5045 Total APNIC prefixes after maximum aggregation: 2420 APNIC Deaggregation factor: 2.08 Prefixes being announced from the APNIC address blocks: 4967 Unique aggregates announced from the APNIC address blocks: 2742 APNIC Region origin ASes present in the Internet Routing Table: 588 APNIC Prefixes per ASN: 8.45 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 72 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: 227 Number of APNIC addresses announced to Internet: 47243372 Equivalent to 2 /8s, 208 /16s and 224 /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: 9412 Total ARIN prefixes after maximum aggregation: 5171 ARIN Deaggregation factor: 1.82 Prefixes being announced from the ARIN address blocks: 9476 Unique aggregates announced from the ARIN address blocks: 5868 ARIN Region origin ASes present in the Internet Routing Table: 1238 ARIN Prefixes per ASN: 7.65 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: 158 Number of ARIN addresses announced to Internet: 154269889 Equivalent to 9 /8s, 49 /16s and 248 /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: 3474 Total RIPE prefixes after maximum aggregation: 2782 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3497 Unique aggregates announced from the RIPE address blocks: 2820 RIPE Region origin ASes present in the Internet Routing Table: 677 RIPE Prefixes per ASN: 5.17 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: 132 Number of RIPE addresses announced to Internet: 59711178 Equivalent to 3 /8s, 143 /16s and 30 /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: 1546 Total LACNIC prefixes after maximum aggregation: 620 LACNIC Deaggregation factor: 2.49 Prefixes being announced from the LACNIC address blocks: 1548 Unique aggregates announced from the LACNIC address blocks: 863 LACNIC Region origin ASes present in the Internet Routing Table: 181 LACNIC Prefixes per ASN: 8.55 LACNIC Region origin ASes announcing only one prefix: 70 LACNIC Region transit ASes present in the Internet Routing Table: 27 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: 4593184 Equivalent to 0 /8s, 70 /16s and 22 /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: 922 Total AfriNIC prefixes after maximum aggregation: 190 AfriNIC Deaggregation factor: 4.85 Prefixes being announced from the AfriNIC address blocks: 925 Unique aggregates announced from the AfriNIC address blocks: 299 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 17.45 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: 2885120 Equivalent to 0 /8s, 44 /16s and 6 /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 632 2157 458 SINET-AS Research Organization of Infor 7497 429 182 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 CNNIC-ALIBABA-US-NET-AP Alibaba US Tech 55824 127 18 21 NKN-CORE-NW NKN Core Network, IN 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 727 3282 67 GOOGLE, US 7896 250 51 7 NU-AS, US 376 233 180 157 RISQ-AS, CA 668 209 702 180 DNIC-AS-00668, US 8075 206 11189 185 MICROSOFT-CORP-MSN-AS-BLOCK, US 5786 201 16 1 UPRENET, PR 6939 171 121 121 HURRICANE, US 2152 161 507 91 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 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 68 647 61 FR-RENATER Reseau National de telecommu 2614 60 33 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 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 43 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 100 82 3 KENET-AS, KE 2561 73 5 32 EUN, EG 8094 50 48 4 PUKNET, ZA 327700 42 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 727 3282 67 GOOGLE, US 2907 632 2157 458 SINET-AS Research Organization of Infor 7497 429 182 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 668 209 702 180 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 429 405 CSTNET-AS-AP Computer Network Information Cente 2018 344 271 TENET-1, ZA 7896 250 243 NU-AS, US 5786 201 200 UPRENET, PR 58647 198 196 KAGAWAU-AS Kagawa University, JP 2907 632 174 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 /16:2159 /17:428 /18:480 /19:720 /20:936 /21:949 /22:1484 /23:1618 /24:11010 /25:81 /26:67 /27:58 /28:37 /29:32 /30:18 /31:0 /32:31 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 15169 274 727 GOOGLE, US 8895 172 177 ISU Internet Services Unit ISU, SA 36914 86 100 KENET-AS, KE 6939 69 171 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 41:150 42:13 44:5 45:74 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 70:8 71:1 72:25 74:83 76:33 77:6 78:3 79:10 80:18 81:27 82:5 83:7 84:9 85:33 86:9 87:1 88:1 89:10 91:48 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:8 102:17 103:323 104:79 106:1 107:16 108:43 109:9 110:5 111:21 112:4 113:1 114:23 116:5 117:61 118:32 119:19 121:27 122:8 123:8 124:39 125:5 128:83 129:175 130:95 131:94 132:61 133:138 134:47 136:194 137:138 138:9 139:5 140:52 141:2 142:139 143:35 144:54 146:125 147:61 148:160 149:13 150:42 151:6 152:79 153:11 154:24 155:51 156:68 157:25 158:41 159:117 160:25 161:23 162:23 163:65 164:41 165:54 166:2 167:17 168:164 169:10 170:67 171:1 172:91 173:85 175:31 176:8 177:10 178:1 179:12 180:21 181:12 182:6 184:5 185:43 186:3 187:18 188:13 189:3 190:54 191:36 192:1459 193:256 194:143 195:93 196:182 197:5 198:543 199:285 200:253 201:39 202:638 203:423 204:340 205:174 206:192 207:178 208:72 209:134 210:184 211:14 212:171 213:4 214:7 216:128 217:14 218:25 219:14 220:17 222:5 223:4 End of report