IPv4 R&E Routing Table Report 18:45 GMT Thu 31 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: 14669 Prefixes after maximum aggregation (per Origin AS): 7638 Deaggregation factor: 1.92 Unique aggregates announced (without unneeded subnets): 8712 Number of IPv4 prefixes with a valid ROA: 5101 Number of IPv4 prefixes with an invalid ROA: 1 Number of IPv4 prefixes with no ROA: 9567 Total ASes present in the Internet Routing Table: 1882 Prefixes per ASN: 7.79 Origin-only ASes present in the Internet Routing Table: 1617 Origin ASes announcing only one prefix: 666 Transit ASes present in the Internet Routing Table: 265 Transit-only ASes present in the Internet Routing Table: 66 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: 15 Max AS path prepend of ASN ( 10497) 11 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: 45680 Number of 32-bit ASNs visible in the Routing Table: 439 Prefixes from 32-bit ASNs in the Routing Table: 1216 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: 1 Number of addresses announced to Internet: 156392960 Equivalent to 9 /8s, 82 /16s and 94 /24s Percentage of available address space announced: 4.2 Percentage of allocated address space announced: 4.2 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: 1633 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 3876 Total APNIC prefixes after maximum aggregation: 1980 APNIC Deaggregation factor: 1.96 Prefixes being announced from the APNIC address blocks: 3875 Unique aggregates announced from the APNIC address blocks: 2265 APNIC Region origin ASes present in the Internet Routing Table: 413 APNIC Prefixes per ASN: 9.38 APNIC Region origin ASes announcing only one prefix: 167 APNIC Region transit ASes present in the Internet Routing Table: 52 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 173 Number of APNIC addresses announced to Internet: 45384960 Equivalent to 2 /8s, 180 /16s and 133 /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: 7645 Total ARIN prefixes after maximum aggregation: 4357 ARIN Deaggregation factor: 1.75 Prefixes being announced from the ARIN address blocks: 7653 Unique aggregates announced from the ARIN address blocks: 4873 ARIN Region origin ASes present in the Internet Routing Table: 1071 ARIN Prefixes per ASN: 7.15 ARIN Region origin ASes announcing only one prefix: 369 ARIN Region transit ASes present in the Internet Routing Table: 141 Average ARIN Region AS path length visible: 4.5 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 169 Number of ARIN addresses announced to Internet: 91127040 Equivalent to 5 /8s, 110 /16s and 125 /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: 849 Total RIPE prefixes after maximum aggregation: 665 RIPE Deaggregation factor: 1.28 Prefixes being announced from the RIPE address blocks: 844 Unique aggregates announced from the RIPE address blocks: 730 RIPE Region origin ASes present in the Internet Routing Table: 176 RIPE Prefixes per ASN: 4.80 RIPE Region origin ASes announcing only one prefix: 74 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: 30 Number of RIPE addresses announced to Internet: 13812480 Equivalent to 0 /8s, 210 /16s and 195 /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: 1230 Total LACNIC prefixes after maximum aggregation: 494 LACNIC Deaggregation factor: 2.49 Prefixes being announced from the LACNIC address blocks: 1228 Unique aggregates announced from the LACNIC address blocks: 658 LACNIC Region origin ASes present in the Internet Routing Table: 131 LACNIC Prefixes per ASN: 9.37 LACNIC Region origin ASes announcing only one prefix: 45 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60 Number of LACNIC addresses announced to Internet: 3724032 Equivalent to 0 /8s, 56 /16s and 211 /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: 1068 Total AfriNIC prefixes after maximum aggregation: 141 AfriNIC Deaggregation factor: 7.57 Prefixes being announced from the AfriNIC address blocks: 1068 Unique aggregates announced from the AfriNIC address blocks: 185 AfriNIC Region origin ASes present in the Internet Routing Table: 24 AfriNIC Prefixes per ASN: 44.50 AfriNIC Region origin ASes announcing only one prefix: 11 AfriNIC Region transit ASes present in the Internet Routing Table: 8 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: 7 Number of AfriNIC addresses announced to Internet: 2344192 Equivalent to 0 /8s, 35 /16s and 197 /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 589 2170 463 SINET-AS Research Organization of Informa 7497 449 212 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 169 329 112 AARNET-AS-AP Australian Academic and Rese 55824 132 18 19 NKN-CORE-NW NKN Core Network, IN 4538 125 4192 72 ERX-CERNET-BKB China Education and Resear 4621 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 2697 54 3 32 ERX-ERNET-AS Education and Research Netwo 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 505 507 99 CENIC-2152, US 668 205 648 174 DNIC-AS-00668, US 5786 197 16 1 UPRENET, PR 376 188 161 138 RISQ-AS, CA 2920 175 34 7 LACOE, US 81 134 517 33 NCREN, US 270 117 328 81 AS270, US 23024 95 7 21 OCDE, US 21976 91 50 17 NJEDGE-NET, US 237 84 541 49 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 118 8 64 ISU Internet Services Unit ISU, SA 1103 97 1759 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 174 178 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 110 25 53 Red Universitaria Nacional, CL 2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a 61468 50 5 16 CEDIA, EC 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 19611 36 16 1 Associacao Antonio Vieira - Unisinos, BR 1251 34 31 27 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 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 530 82 3 KENET-AS, KE 2018 373 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 327700 15 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37654 6 0 5 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 589 2170 463 SINET-AS Research Organization of Informa 36914 530 82 3 KENET-AS, KE 2152 505 507 99 CENIC-2152, US 7497 449 212 25 CSTNET-AS-AP Computer Network Information 2018 373 319 71 TENET-1, ZA 668 205 648 174 DNIC-AS-00668, US 5786 197 16 1 UPRENET, PR 1237 191 74 145 KREONET-AS-KR KISTI, KR 376 188 161 138 RISQ-AS, CA 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 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 530 527 KENET-AS, KE 7497 449 424 CSTNET-AS-AP Computer Network Information Cente 2152 505 406 CENIC-2152, US 2018 373 302 TENET-1, ZA 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US 1916 174 132 Rede Nacional de Ensino e Pesquisa, BR 55824 132 113 NKN-CORE-NW NKN Core Network, IN 81 134 101 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 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 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 /11:1 /12:10 /13:17 /14:30 /15:87 /16:1462 /17:359 /18:373 /19:438 /20:655 /21:618 /22:1060 /23:1170 /24:8387 /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 509 530 KENET-AS, KE 8895 115 118 ISU Internet Services Unit ISU, SA 2152 61 505 CENIC-2152, US 23024 37 95 OCDE, US 32440 36 63 LONI, US 3267 35 77 NIKS, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, 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 23:7 24:3 35:8 38:10 40:1 41:224 42:11 44:4 45:44 47:1 49:11 50:2 52:1 59:19 60:6 61:3 62:4 63:32 64:44 65:4 66:42 67:40 68:12 69:19 70:2 71:1 72:7 74:50 76:41 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 98:2 101:1 102:2 103:281 104:79 108:10 109:3 111:16 113:2 114:24 116:9 117:61 118:33 119:23 121:27 122:8 123:8 124:42 125:5 128:52 129:29 130:96 131:55 132:52 133:154 134:106 136:197 137:90 138:57 139:6 140:35 141:3 142:52 143:24 144:25 146:136 147:60 148:188 149:12 150:40 151:9 152:140 153:3 154:30 155:63 156:132 157:27 158:30 159:120 160:31 161:17 162:24 163:61 164:11 165:49 166:1 167:25 168:120 169:7 170:89 171:1 172:2 173:7 175:5 177:6 179:13 180:16 181:1 182:1 184:7 185:14 186:3 187:21 188:4 189:4 190:18 191:13 192:1091 193:37 194:55 195:29 196:140 197:318 198:514 199:198 200:184 201:36 202:383 203:209 204:166 205:115 206:149 207:213 208:37 209:122 210:146 211:2 212:104 214:6 216:37 218:21 219:4 220:15 223:4 End of report