IPv4 R&E Routing Table Report 18:45 GMT Sat 04 May, 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: 15614 Prefixes after maximum aggregation (per Origin AS): 8328 Deaggregation factor: 1.87 Unique aggregates announced (without unneeded subnets): 9458 Number of IPv4 prefixes with a valid ROA: 4115 Number of IPv4 prefixes with an invalid ROA: 9 Number of IPv4 prefixes with no ROA: 11490 Total ASes present in the Internet Routing Table: 2247 Prefixes per ASN: 6.95 Origin-only ASes present in the Internet Routing Table: 1961 Origin ASes announcing only one prefix: 826 Transit ASes present in the Internet Routing Table: 286 Transit-only ASes present in the Internet Routing Table: 55 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 14 Max AS path prepend of ASN ( 47805) 11 Prefixes from unregistered ASNs in the Routing Table: 13 Number of instances of unregistered ASNs: 13 Number of 32-bit ASNs allocated by the RIRs: 44381 Number of 32-bit ASNs visible in the Routing Table: 523 Prefixes from 32-bit ASNs in the Routing Table: 1484 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: 157836800 Equivalent to 9 /8s, 104 /16s and 102 /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: 1509 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4556 Total APNIC prefixes after maximum aggregation: 2291 APNIC Deaggregation factor: 1.99 Prefixes being announced from the APNIC address blocks: 4553 Unique aggregates announced from the APNIC address blocks: 2622 APNIC Region origin ASes present in the Internet Routing Table: 566 APNIC Prefixes per ASN: 8.04 APNIC Region origin ASes announcing only one prefix: 242 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 222 Number of APNIC addresses announced to Internet: 45658880 Equivalent to 2 /8s, 184 /16s and 179 /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: 8073 Total ARIN prefixes after maximum aggregation: 4728 ARIN Deaggregation factor: 1.71 Prefixes being announced from the ARIN address blocks: 8092 Unique aggregates announced from the ARIN address blocks: 5257 ARIN Region origin ASes present in the Internet Routing Table: 1247 ARIN Prefixes per ASN: 6.49 ARIN Region origin ASes announcing only one prefix: 436 ARIN Region transit ASes present in the Internet Routing Table: 156 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 199 Number of ARIN addresses announced to Internet: 92719104 Equivalent to 5 /8s, 134 /16s and 200 /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: 897 Total RIPE prefixes after maximum aggregation: 624 RIPE Deaggregation factor: 1.44 Prefixes being announced from the RIPE address blocks: 892 Unique aggregates announced from the RIPE address blocks: 671 RIPE Region origin ASes present in the Internet Routing Table: 193 RIPE Prefixes per ASN: 4.62 RIPE Region origin ASes announcing only one prefix: 82 RIPE Region transit ASes present in the Internet Routing Table: 28 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 29 Number of RIPE addresses announced to Internet: 12927232 Equivalent to 0 /8s, 197 /16s and 65 /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: 1275 Total LACNIC prefixes after maximum aggregation: 531 LACNIC Deaggregation factor: 2.40 Prefixes being announced from the LACNIC address blocks: 1273 Unique aggregates announced from the LACNIC address blocks: 716 LACNIC Region origin ASes present in the Internet Routing Table: 159 LACNIC Prefixes per ASN: 8.01 LACNIC Region origin ASes announcing only one prefix: 57 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65 Number of LACNIC addresses announced to Internet: 4197888 Equivalent to 0 /8s, 64 /16s and 14 /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: 800 Total AfriNIC prefixes after maximum aggregation: 143 AfriNIC Deaggregation factor: 5.59 Prefixes being announced from the AfriNIC address blocks: 800 Unique aggregates announced from the AfriNIC address blocks: 189 AfriNIC Region origin ASes present in the Internet Routing Table: 24 AfriNIC Prefixes per ASN: 33.33 AfriNIC Region origin ASes announcing only one prefix: 9 AfriNIC Region transit ASes present in the Internet Routing Table: 6 Average AfriNIC Region AS path length visible: 2.4 Max AfriNIC Region AS path length visible: 7 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 8 Number of AfriNIC addresses announced to Internet: 2325248 Equivalent to 0 /8s, 35 /16s and 123 /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 591 2162 464 SINET-AS Research Organization of Infor 7497 443 180 24 CSTNET-AS-AP Computer Network Informati 1237 189 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 130 19 19 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T 4621 62 37 10 UNINET-AS-AP UNINET-, TH 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 668 204 648 173 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2920 174 34 7 LACOE, US 2152 149 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 270 117 328 81 AS270, US 23024 108 7 22 OCDE, US 237 86 543 51 MERIT-AS-14, 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 133 24 5 ISU Internet Services Unit ISU, SA 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 3267 77 27 65 RUNNET, RU 1653 53 151 50 SUNET SUNET Swedish University Network, 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 Universi 1101 13 481 13 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 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 109 25 52 Red Universitaria Nacional, CL 1916 81 176 42 Rede Nacional de Ensino e Pesquisa, BR 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 48 16 1 Red de Interconexion Universitaria, AR 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 19611 37 17 2 Associacao Antonio Vieira - Unisinos, B 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 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 2018 378 319 71 TENET-1, ZA 36914 201 82 3 KENET-AS, KE 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37654 13 1 7 RwEdNet-AS, RW 37182 12 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, 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 591 2162 464 SINET-AS Research Organization of Infor 7497 443 180 24 CSTNET-AS-AP Computer Network Informati 2018 378 319 71 TENET-1, ZA 668 204 648 173 DNIC-AS-00668, US 376 201 162 151 RISQ-AS, CA 36914 201 82 3 KENET-AS, KE 5786 197 16 1 UPRENET, PR 1237 189 74 142 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 2920 174 34 7 LACOE, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 443 419 CSTNET-AS-AP Computer Network Information Cente 2018 378 307 TENET-1, ZA 36914 201 198 KENET-AS, KE 5786 197 196 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 174 167 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA 55824 130 111 NKN-CORE-NW NKN Core Network, IN 81 133 100 NCREN, US 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 394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US 18838 UNALLOCATED 168.8.240.0/20 3480 PEACHNET-AS3480, US 18838 UNALLOCATED 168.9.0.0/20 3480 PEACHNET-AS3480, US 11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US 11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US 11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 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 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 /11:1 /12:9 /13:17 /14:30 /15:87 /16:1480 /17:368 /18:402 /19:489 /20:744 /21:687 /22:1186 /23:1260 /24:8852 /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 188 201 KENET-AS, KE 8895 128 133 ISU Internet Services Unit ISU, SA 23024 51 108 OCDE, US 327700 40 46 MoRENet, MZ 32440 38 63 LONI, US 3267 36 77 RUNNET, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 37215 30 36 MAREN, MW 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 14:90 23:5 24:3 35:7 38:10 40:1 41:154 42:10 44:4 45:28 47:1 49:9 50:3 52:1 59:19 60:6 61:3 62:3 63:32 64:44 65:1 66:46 67:41 68:10 69:18 70:2 71:1 72:7 74:48 76:41 77:8 80:3 81:1 82:4 83:1 84:2 85:16 86:5 87:1 89:2 91:16 92:2 93:1 96:5 97:1 98:2 101:2 102:1 103:315 104:77 108:10 109:6 114:24 116:8 117:61 118:33 119:21 121:11 122:8 123:8 124:42 125:5 128:87 129:28 130:83 131:56 132:66 133:157 134:108 136:196 137:45 138:57 139:5 140:38 141:3 142:25 143:22 144:23 146:135 147:60 148:187 149:11 150:42 151:9 152:135 153:2 154:31 155:63 156:133 157:18 158:35 159:114 160:30 161:15 162:23 163:65 164:14 165:48 166:1 167:12 168:121 169:6 170:91 171:1 172:3 173:7 175:25 176:8 177:5 179:11 180:15 181:1 182:9 184:6 185:12 186:3 187:18 188:4 189:3 190:17 191:13 192:1079 193:34 194:57 195:29 196:153 197:113 198:470 199:274 200:199 201:37 202:588 203:372 204:365 205:134 206:182 207:158 208:72 209:112 210:205 211:14 212:120 213:3 214:8 216:92 218:22 219:5 220:17 222:2 223:14 End of report