Global R&E Routing Table Report 22:15 GMT Sat 06 Nov, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RedCLARA/ Analysis Summary ---------------- BGP routing table entries examined: 18092 Prefixes after maximum aggregation (per Origin AS): 10201 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 11419 Total ASes present in the Internet Routing Table: 2726 Prefixes per ASN: 6.64 Origin-only ASes present in the Internet Routing Table: 2352 Origin ASes announcing only one prefix: 1085 Transit ASes present in the Internet Routing Table: 374 Transit-only ASes present in the Internet Routing Table: 50 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 14 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 25 Number of instances of unregistered ASNs: 25 Number of 32-bit ASNs allocated by the RIRs: 37769 Number of 32-bit ASNs visible in the Routing Table: 618 Prefixes from 32-bit ASNs in the Routing Table: 1816 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: 202580512 Equivalent to 12 /8s, 19 /16s and 34 /24s Percentage of available address space announced: 5.5 Percentage of allocated address space announced: 5.5 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: 2040 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4775 Total APNIC prefixes after maximum aggregation: 2335 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4777 Unique aggregates announced from the APNIC address blocks: 2657 APNIC Region origin ASes present in the Internet Routing Table: 585 APNIC Prefixes per ASN: 8.17 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 64 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 226 Number of APNIC addresses announced to Internet: 46023488 Equivalent to 2 /8s, 190 /16s and 67 /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: 7444 Total ARIN prefixes after maximum aggregation: 4324 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 7468 Unique aggregates announced from the ARIN address blocks: 4839 ARIN Region origin ASes present in the Internet Routing Table: 1177 ARIN Prefixes per ASN: 6.34 ARIN Region origin ASes announcing only one prefix: 419 ARIN Region transit ASes present in the Internet Routing Table: 154 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 155 Number of ARIN addresses announced to Internet: 91622608 Equivalent to 5 /8s, 118 /16s and 12 /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: 3392 Total RIPE prefixes after maximum aggregation: 2722 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3379 Unique aggregates announced from the RIPE address blocks: 2757 RIPE Region origin ASes present in the Internet Routing Table: 670 RIPE Prefixes per ASN: 5.04 RIPE Region origin ASes announcing only one prefix: 322 RIPE Region transit ASes present in the Internet Routing Table: 104 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 131 Number of RIPE addresses announced to Internet: 58107584 Equivalent to 3 /8s, 118 /16s and 166 /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: 1554 Total LACNIC prefixes after maximum aggregation: 620 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1562 Unique aggregates announced from the LACNIC address blocks: 868 LACNIC Region origin ASes present in the Internet Routing Table: 184 LACNIC Prefixes per ASN: 8.49 LACNIC Region origin ASes announcing only one prefix: 72 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 3.8 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 80 Number of LACNIC addresses announced to Internet: 4073552 Equivalent to 0 /8s, 62 /16s and 40 /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: 902 Total AfriNIC prefixes after maximum aggregation: 188 AfriNIC Deaggregation factor: 4.80 Prefixes being announced from the AfriNIC address blocks: 902 Unique aggregates announced from the AfriNIC address blocks: 294 AfriNIC Region origin ASes present in the Internet Routing Table: 51 AfriNIC Prefixes per ASN: 17.69 AfriNIC Region origin ASes announcing only one prefix: 22 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2752256 Equivalent to 0 /8s, 41 /16s and 255 /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 457 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 188 74 135 KREONET-AS-KR KISTI, KR 7575 175 329 121 AARNET-AS-AP Australian Academic and Re 4538 127 4192 72 ERX-CERNET-BKB China Education and Rese 55824 127 19 22 NKN-CORE-NW NKN Core Network, IN 4621 80 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 376 205 179 154 RISQ-AS, CA 5786 201 16 1 UPRENET, PR 2152 157 507 85 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 2920 112 34 6 LACOE, US 21976 87 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 79 528 13 MIT-GATEWAYS, US 3477 72 71 42 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 67 647 61 FR-RENATER Reseau National de telecommu 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol 2614 57 33 55 ROEDUNET, RO Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 93 24 53 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 52 4 31 Columbus Networks Guatemala, GT 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 61468 45 3 15 CEDIA, EC 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/RedCLARA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 343 319 73 TENET-1, ZA 327687 127 28 3 RENU, UG 36914 99 82 3 KENET-AS, KE 2561 73 5 32 EUN, EG 8094 50 48 4 PUKNET, ZA 37215 33 8 1 MAREN, MW 327700 32 16 1 MoRENet, MZ 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/RedCLARA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 632 2157 457 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 2018 343 319 73 TENET-1, ZA 680 276 1998 238 DFN Verein zur Foerderung eines Deutsch 376 205 179 154 RISQ-AS, CA 1916 204 207 42 Associacao Rede Nacional de Ensino e Pe 5786 201 16 1 UPRENET, PR 58647 198 18 2 KAGAWAU-AS Kagawa University, JP 1237 188 74 135 KREONET-AS-KR KISTI, KR 786 186 1774 183 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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 343 270 TENET-1, ZA 5786 201 200 UPRENET, PR 58647 198 196 KAGAWAU-AS Kagawa University, JP 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 127 124 RENU, UG 2920 112 106 LACOE, US 55824 127 105 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65248 PRIVATE 134.171.169.0/24 11340 Red Universitaria Nacional, 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 65105 PRIVATE 165.98.16.0/24 27750 Cooperacion Latino Americana 65105 PRIVATE 165.98.18.0/24 27750 Cooperacion Latino Americana Complete listing at https://bgp.nsrc.org/REN/RedCLARA/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/RedCLARA/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: 11537 INTERNET2-RESEARCH-EDU, US 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/RedCLARA/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 /10:2 /11:1 /12:10 /13:18 /14:36 /15:122 /16:1978 /17:380 /18:425 /19:554 /20:847 /21:848 /22:1386 /23:1481 /24:9733 /25:82 /26:68 /27:58 /28:23 /29:27 /30:7 /31:0 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8895 172 177 ISU Internet Services Unit ISU, SA 36914 85 99 KENET-AS, KE 23024 53 56 OCDE, US 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 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US 40326 29 33 ECKERD-COLLEGE, US Complete listing at https://bgp.nsrc.org/REN/RedCLARA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:5 5:15 8:2 12:1 14:83 18:42 23:8 24:6 31:6 37:6 38:9 41:142 42:8 44:5 45:66 46:6 47:1 49:10 50:1 52:1 59:20 60:4 61:3 62:7 63:34 64:46 66:36 67:43 68:8 69:21 71:1 72:9 74:20 76:32 77:6 78:3 79:10 80:17 81:27 82:5 83:7 84:5 85:33 86:9 87:1 88:1 89:10 91:46 92:1 93:19 94:4 95:4 96:5 97:1 98:2 101:6 102:16 103:315 104:16 106:1 108:8 109:9 110:3 111:20 112:4 114:23 116:5 117:61 118:32 119:20 121:26 122:8 123:8 124:39 125:5 128:83 129:36 130:93 131:87 132:61 133:138 134:97 136:193 137:120 138:8 139:5 140:36 141:2 142:43 143:35 144:27 146:125 147:31 148:158 149:13 150:39 151:6 152:79 153:11 154:23 155:50 156:68 157:25 158:42 159:117 160:25 161:16 162:20 163:60 164:42 165:54 166:1 167:16 168:163 169:10 170:52 171:1 172:2 173:2 175:31 176:8 177:10 178:1 179:12 180:21 181:12 182:6 184:3 185:40 186:3 187:18 188:13 189:3 190:54 191:37 192:1388 193:242 194:123 195:84 196:178 197:5 198:458 199:242 200:254 201:39 202:629 203:416 204:323 205:168 206:182 207:168 208:56 209:113 210:184 211:14 212:171 213:4 216:86 217:14 218:25 219:8 220:17 222:5 223:2 End of report