IPv4 R&E Routing Table Report 18:45 GMT Fri 04 Oct, 2024 IPv4 BGP Table (R&E) as seen at TENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/TENET/ Analysis Summary ---------------- BGP routing table entries examined: 16722 Prefixes after maximum aggregation (per Origin AS): 8467 Deaggregation factor: 1.97 Unique aggregates announced (without unneeded subnets): 9565 Number of IPv4 prefixes with a valid ROA: 5597 Number of IPv4 prefixes with an invalid ROA: 5 Number of IPv4 prefixes with no ROA: 11120 Total ASes present in the Internet Routing Table: 2256 Prefixes per ASN: 7.41 Origin-only ASes present in the Internet Routing Table: 1968 Origin ASes announcing only one prefix: 822 Transit ASes present in the Internet Routing Table: 288 Transit-only ASes present in the Internet Routing Table: 52 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.6 Max AS path length visible: 16 Max AS path prepend of ASN (395156) 12 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 45476 Number of 32-bit ASNs visible in the Routing Table: 538 Prefixes from 32-bit ASNs in the Routing Table: 1598 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 4 Number of addresses announced to Internet: 159589376 Equivalent to 9 /8s, 131 /16s and 36 /24s Percentage of available address space announced: 4.3 Percentage of allocated address space announced: 4.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 1824 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4649 Total APNIC prefixes after maximum aggregation: 2281 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4645 Unique aggregates announced from the APNIC address blocks: 2623 APNIC Region origin ASes present in the Internet Routing Table: 579 APNIC Prefixes per ASN: 8.02 APNIC Region origin ASes announcing only one prefix: 246 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.2 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 229 Number of APNIC addresses announced to Internet: 45758720 Equivalent to 2 /8s, 186 /16s and 57 /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, 131072-153913 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: 8644 Total ARIN prefixes after maximum aggregation: 4891 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 8652 Unique aggregates announced from the ARIN address blocks: 5382 ARIN Region origin ASes present in the Internet Routing Table: 1263 ARIN Prefixes per ASN: 6.85 ARIN Region origin ASes announcing only one prefix: 438 ARIN Region transit ASes present in the Internet Routing Table: 154 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 206 Number of ARIN addresses announced to Internet: 92471296 Equivalent to 5 /8s, 131 /16s and 0 /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, 393216-402332 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: 892 Total RIPE prefixes after maximum aggregation: 617 RIPE Deaggregation factor: 1.45 Prefixes being announced from the RIPE address blocks: 887 Unique aggregates announced from the RIPE address blocks: 654 RIPE Region origin ASes present in the Internet Routing Table: 185 RIPE Prefixes per ASN: 4.79 RIPE Region origin ASes announcing only one prefix: 78 RIPE Region transit ASes present in the Internet Routing Table: 27 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 31 Number of RIPE addresses announced to Internet: 14875392 Equivalent to 0 /8s, 226 /16s and 251 /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 196608-216475 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: 1443 Total LACNIC prefixes after maximum aggregation: 538 LACNIC Deaggregation factor: 2.68 Prefixes being announced from the LACNIC address blocks: 1441 Unique aggregates announced from the LACNIC address blocks: 721 LACNIC Region origin ASes present in the Internet Routing Table: 155 LACNIC Prefixes per ASN: 9.30 LACNIC Region origin ASes announcing only one prefix: 52 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4199168 Equivalent to 0 /8s, 64 /16s and 19 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 1093 Total AfriNIC prefixes after maximum aggregation: 139 AfriNIC Deaggregation factor: 7.86 Prefixes being announced from the AfriNIC address blocks: 1093 Unique aggregates announced from the AfriNIC address blocks: 182 AfriNIC Region origin ASes present in the Internet Routing Table: 21 AfriNIC Prefixes per ASN: 52.05 AfriNIC Region origin ASes announcing only one prefix: 8 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 2.8 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 2276352 Equivalent to 0 /8s, 34 /16s and 188 /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 590 2170 464 SINET-AS Research Organization of Informa 7497 451 212 25 CSTNET-AS-AP Computer Network Information 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 132 18 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 61 35 9 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 448 507 97 CENIC-2152, US 2920 224 44 45 LACOE, US 668 205 648 174 DNIC-AS-00668, US 376 200 162 149 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 270 117 328 81 AS270, US 23024 95 7 21 OCDE, US 21976 87 50 17 NJEDGE-NET, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8895 135 24 5 ISU Internet Services Unit ISU, SA 1103 98 2015 84 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 26 67 NIKS, RU 1653 53 150 50 SUNET SUNET Swedish University Network, E 1741 39 149 18 FUNETAS, FI 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 8674 16 2 11 NETNOD-IX Netnod AB, SE 1880 14 1 7 STUPI, SE 224 13 256 13 UNINETT UNINETT, The Norwegian University 1101 12 465 12 IP-EEND-AS IP-EEND BV, NL Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 211 180 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 51 5 17 CEDIA, EC 2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blumena 3596 37 8 4 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 528 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 38 16 1 MoRENet, MZ 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37654 6 1 6 RwEdNet-AS, RW 37520 3 16 3 Rhodes-Univ, ZA Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 590 2170 464 SINET-AS Research Organization of Informa 36914 528 82 3 KENET-AS, KE 7497 451 212 25 CSTNET-AS-AP Computer Network Information 2152 448 507 97 CENIC-2152, US 2018 380 319 71 TENET-1, ZA 2920 224 44 45 LACOE, US 1916 211 180 42 Rede Nacional de Ensino e Pesquisa, BR 668 205 648 174 DNIC-AS-00668, US 376 200 162 149 RISQ-AS, CA 5786 198 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 528 525 KENET-AS, KE 7497 451 426 CSTNET-AS-AP Computer Network Information Cente 2152 448 351 CENIC-2152, US 2018 380 309 TENET-1, ZA 5786 198 197 UPRENET, PR 2920 224 179 LACOE, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 1916 211 169 Rede Nacional de Ensino e Pesquisa, BR 18558 140 136 NETBLK-RCOEK, US 8895 135 130 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/TENET/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 202.46.0.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.0.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.240.0/20 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.240.0/20 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University 203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res Complete listing at https://bgp.nsrc.org/REN/TENET/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 /10:1 /11:2 /12:10 /13:17 /14:30 /15:88 /16:1474 /17:372 /18:407 /19:496 /20:746 /21:706 /22:1170 /23:1345 /24:9857 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 507 528 KENET-AS, KE 8895 130 135 ISU Internet Services Unit ISU, SA 2152 43 448 CENIC-2152, US 23024 37 95 OCDE, US 32440 37 64 LONI, US 3267 35 77 NIKS, RU 327700 33 38 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 4:2 6:4 8:2 12:1 14:92 23:6 24:3 35:7 38:10 40:1 41:243 42:10 44:4 45:44 47:1 49:11 50:3 52:1 58:1 59:19 60:6 61:3 62:4 63:33 64:44 65:4 66:42 67:41 68:12 69:19 70:2 71:1 72:7 74:50 76:42 77:8 80:5 81:1 82:4 83:1 84:2 85:20 86:5 87:1 89:2 91:8 92:2 93:1 96:5 97:1 98:2 101:1 102:2 103:322 104:79 108:10 109:3 111:16 113:2 114:24 116:9 117:61 118:34 119:25 121:27 122:8 123:8 124:42 125:5 128:50 129:29 130:95 131:57 132:65 133:154 134:105 136:198 137:78 138:57 139:6 140:36 141:3 142:52 143:24 144:26 146:134 147:60 148:188 149:13 150:40 151:9 152:139 153:3 154:29 155:63 156:132 157:26 158:31 159:120 160:30 161:17 162:24 163:61 164:14 165:49 166:1 167:26 168:119 169:7 170:89 171:1 172:2 173:7 175:16 177:6 179:13 180:16 181:1 182:9 184:7 185:13 186:3 187:21 188:4 189:4 190:18 191:13 192:1092 193:38 194:57 195:29 196:147 197:316 198:551 199:278 200:330 201:37 202:629 203:437 204:402 205:165 206:210 207:294 208:66 209:138 210:216 211:3 212:127 213:2 214:8 216:89 218:21 219:5 220:17 222:2 223:15 End of report