IPv4 R&E Routing Table Report 18:45 GMT Fri 20 Sep, 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: 16492 Prefixes after maximum aggregation (per Origin AS): 8374 Deaggregation factor: 1.97 Unique aggregates announced (without unneeded subnets): 9384 Number of IPv4 prefixes with a valid ROA: 5428 Number of IPv4 prefixes with an invalid ROA: 6 Number of IPv4 prefixes with no ROA: 11058 Total ASes present in the Internet Routing Table: 2258 Prefixes per ASN: 7.30 Origin-only ASes present in the Internet Routing Table: 1972 Origin ASes announcing only one prefix: 831 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: 4.5 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: 45396 Number of 32-bit ASNs visible in the Routing Table: 540 Prefixes from 32-bit ASNs in the Routing Table: 1609 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: 5 Number of addresses announced to Internet: 159147520 Equivalent to 9 /8s, 124 /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: 1826 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4656 Total APNIC prefixes after maximum aggregation: 2281 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4651 Unique aggregates announced from the APNIC address blocks: 2614 APNIC Region origin ASes present in the Internet Routing Table: 578 APNIC Prefixes per ASN: 8.05 APNIC Region origin ASes announcing only one prefix: 246 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 227 Number of APNIC addresses announced to Internet: 45809664 Equivalent to 2 /8s, 187 /16s and 0 /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: 8627 Total ARIN prefixes after maximum aggregation: 4870 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 8634 Unique aggregates announced from the ARIN address blocks: 5367 ARIN Region origin ASes present in the Internet Routing Table: 1258 ARIN Prefixes per ASN: 6.86 ARIN Region origin ASes announcing only one prefix: 437 ARIN Region transit ASes present in the Internet Routing Table: 156 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: 203 Number of ARIN addresses announced to Internet: 92099584 Equivalent to 5 /8s, 125 /16s and 84 /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: 880 Total RIPE prefixes after maximum aggregation: 614 RIPE Deaggregation factor: 1.43 Prefixes being announced from the RIPE address blocks: 875 Unique aggregates announced from the RIPE address blocks: 649 RIPE Region origin ASes present in the Internet Routing Table: 184 RIPE Prefixes per ASN: 4.76 RIPE Region origin ASes announcing only one prefix: 79 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: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 31 Number of RIPE addresses announced to Internet: 14937600 Equivalent to 0 /8s, 227 /16s and 238 /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: 1229 Total LACNIC prefixes after maximum aggregation: 469 LACNIC Deaggregation factor: 2.62 Prefixes being announced from the LACNIC address blocks: 1228 Unique aggregates announced from the LACNIC address blocks: 568 LACNIC Region origin ASes present in the Internet Routing Table: 160 LACNIC Prefixes per ASN: 7.67 LACNIC Region origin ASes announcing only one prefix: 59 LACNIC Region transit ASes present in the Internet Routing Table: 21 Average LACNIC Region AS path length visible: 4.2 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 71 Number of LACNIC addresses announced to Internet: 4013824 Equivalent to 0 /8s, 61 /16s and 63 /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: 1099 Total AfriNIC prefixes after maximum aggregation: 139 AfriNIC Deaggregation factor: 7.91 Prefixes being announced from the AfriNIC address blocks: 1099 Unique aggregates announced from the AfriNIC address blocks: 182 AfriNIC Region origin ASes present in the Internet Routing Table: 22 AfriNIC Prefixes per ASN: 49.95 AfriNIC Region origin ASes announcing only one prefix: 10 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: 2278144 Equivalent to 0 /8s, 34 /16s and 195 /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 588 2169 464 SINET-AS Research Organization of Informa 7497 451 212 25 CSTNET-AS-AP Computer Network Information 1237 190 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 133 19 20 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 470 507 98 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 97 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 15 2 11 NETNOD-IX Netnod AB, SE 1880 14 1 7 STUPI, SE 224 13 256 13 UNINETT UNINETT, The Norwegian University 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 1916 180 180 41 Rede Nacional de Ensino e Pesquisa, BR 11340 109 25 52 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 50 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 1251 36 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 20191 28 16 1 Pontificia Universidad Catolica de Chile, 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 523 82 3 KENET-AS, KE 2018 380 319 71 TENET-1, ZA 327700 50 16 1 MoRENet, MZ 8094 47 48 18 PUKNET, ZA 37215 32 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 588 2169 464 SINET-AS Research Organization of Informa 36914 523 82 3 KENET-AS, KE 2152 470 507 98 CENIC-2152, US 7497 451 212 25 CSTNET-AS-AP Computer Network Information 2018 380 319 71 TENET-1, ZA 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 1237 190 74 145 KREONET-AS-KR KISTI, KR 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 523 520 KENET-AS, KE 7497 451 426 CSTNET-AS-AP Computer Network Information Cente 2152 470 372 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 180 139 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 202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U 202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH 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 /12:9 /13:17 /14:30 /15:88 /16:1470 /17:370 /18:406 /19:490 /20:748 /21:703 /22:1170 /23:1348 /24:9639 /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 502 523 KENET-AS, KE 8895 130 135 ISU Internet Services Unit ISU, SA 2152 58 470 CENIC-2152, US 327700 44 50 MoRENet, MZ 23024 37 95 OCDE, US 32440 37 64 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 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 41:249 42:10 44:4 45:46 47:1 49:7 50:3 52:1 58:1 59:19 60:6 61:3 62:3 63:33 64:44 65:1 66:37 67:41 68:12 69:18 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 98:2 101:1 102:2 103:316 104:79 108:10 109:3 111:16 113:2 114:24 116:9 117:61 118:34 119:25 121:27 122:8 123:8 124:43 125:5 128:50 129:29 130:95 131:58 132:62 133:154 134:106 136:198 137:79 138:58 139:6 140:36 141:3 142:52 143:24 144:26 146:134 147:61 148:2 149:13 150:40 151:9 152:139 153:3 154:29 155:63 156:132 157:25 158:35 159:120 160:30 161:17 162:24 163:61 164:14 165:47 166:1 167:30 168:118 169:7 170:89 171:1 172:2 173:7 175:17 177:5 179:14 180:16 181:1 182:9 184:7 185:10 186:3 187:21 188:4 189:4 190:18 191:13 192:1082 193:38 194:56 195:29 196:147 197:314 198:547 199:278 200:306 201:38 202:641 203:436 204:400 205:167 206:209 207:297 208:66 209:147 210:215 211:3 212:120 213:2 214:8 216:90 218:21 219:5 220:17 222:2 223:15 End of report