IPv4 R&E Routing Table Report 18:50 GMT Fri 05 Jan, 2024 IPv4 BGP Table (R&E) as seen at KENET. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/KENET/ Analysis Summary ---------------- BGP routing table entries examined: 17539 Prefixes after maximum aggregation (per Origin AS): 9899 Deaggregation factor: 1.77 Unique aggregates announced (without unneeded subnets): 10987 Number of IPv4 prefixes with a valid ROA: 5441 Number of IPv4 prefixes with an invalid ROA: 6 Number of IPv4 prefixes with no ROA: 12092 Total ASes present in the Internet Routing Table: 2562 Prefixes per ASN: 6.85 Origin-only ASes present in the Internet Routing Table: 2223 Origin ASes announcing only one prefix: 996 Transit ASes present in the Internet Routing Table: 339 Transit-only ASes present in the Internet Routing Table: 60 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.6 Max AS path length visible: 16 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 11 Number of instances of unregistered ASNs: 11 Number of 32-bit ASNs allocated by the RIRs: 43313 Number of 32-bit ASNs visible in the Routing Table: 601 Prefixes from 32-bit ASNs in the Routing Table: 1705 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: 194664704 Equivalent to 11 /8s, 154 /16s and 89 /24s Percentage of available address space announced: 5.3 Percentage of allocated address space announced: 5.3 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: 1899 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4619 Total APNIC prefixes after maximum aggregation: 2249 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4619 Unique aggregates announced from the APNIC address blocks: 2555 APNIC Region origin ASes present in the Internet Routing Table: 534 APNIC Prefixes per ASN: 8.65 APNIC Region origin ASes announcing only one prefix: 233 APNIC Region transit ASes present in the Internet Routing Table: 54 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 207 Number of APNIC addresses announced to Internet: 45476608 Equivalent to 2 /8s, 181 /16s and 235 /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: 7386 Total ARIN prefixes after maximum aggregation: 4283 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 7413 Unique aggregates announced from the ARIN address blocks: 4758 ARIN Region origin ASes present in the Internet Routing Table: 1197 ARIN Prefixes per ASN: 6.19 ARIN Region origin ASes announcing only one prefix: 429 ARIN Region transit ASes present in the Internet Routing Table: 149 Average ARIN Region AS path length visible: 6.2 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 189 Number of ARIN addresses announced to Internet: 86286848 Equivalent to 5 /8s, 36 /16s and 162 /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: 3154 Total RIPE prefixes after maximum aggregation: 2655 RIPE Deaggregation factor: 1.19 Prefixes being announced from the RIPE address blocks: 3140 Unique aggregates announced from the RIPE address blocks: 2692 RIPE Region origin ASes present in the Internet Routing Table: 596 RIPE Prefixes per ASN: 5.27 RIPE Region origin ASes announcing only one prefix: 271 RIPE Region transit ASes present in the Internet Routing Table: 92 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 13 Number of RIPE region 32-bit ASNs visible in the Routing Table: 133 Number of RIPE addresses announced to Internet: 57099008 Equivalent to 3 /8s, 103 /16s and 67 /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: 1428 Total LACNIC prefixes after maximum aggregation: 568 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1425 Unique aggregates announced from the LACNIC address blocks: 762 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 8.58 LACNIC Region origin ASes announcing only one prefix: 61 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 6.7 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 70 Number of LACNIC addresses announced to Internet: 4088064 Equivalent to 0 /8s, 62 /16s and 97 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 941 Total AfriNIC prefixes after maximum aggregation: 135 AfriNIC Deaggregation factor: 6.97 Prefixes being announced from the AfriNIC address blocks: 941 Unique aggregates announced from the AfriNIC address blocks: 219 AfriNIC Region origin ASes present in the Internet Routing Table: 7 AfriNIC Prefixes per ASN: 134.43 AfriNIC Region origin ASes announcing only one prefix: 2 AfriNIC Region transit ASes present in the Internet Routing Table: 3 Average AfriNIC Region AS path length visible: 1.9 Max AfriNIC Region AS path length visible: 5 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 2 Number of AfriNIC addresses announced to Internet: 1713920 Equivalent to 0 /8s, 26 /16s and 39 /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 592 2162 465 SINET-AS Research Organization of Infor 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 1237 193 74 142 KREONET-AS-KR KISTI, KR 4538 182 4193 75 ERX-CERNET-BKB China Education and Rese 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 176 329 119 AARNET-AS-AP Australian Academic and Re 55824 127 19 17 NKN-CORE-NW NKN Core Network, IN 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 70 37 10 UNINET-AS-AP UNINET-, TH 9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2152 145 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 127 521 30 NCREN, US 23024 109 7 22 OCDE, US 2920 102 34 7 LACOE, US 21976 80 51 18 NJEDGE-NET, US 1736 79 16 1 MU-AS, US 3477 72 63 41 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 786 185 1767 182 JANET Jisc Services Limited, GB 559 114 533 104 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 94 27 74 ROEDUNET, RO 137 81 676 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 77 462 77 BELWUE BelWue-Koordination, DE 2200 63 598 58 FR-RENATER Reseau National de telecommu 200521 51 4 22 SEAP-AGE, ES Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 67 Universidad Juarez Autonoma de Tabasco, 11340 106 24 50 Red Universitaria Nacional, CL 271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 17 3 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo 61468 43 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 527 80 50 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 6879 24 2 9 ENSTINET-, EG 327945 4 0 2 ILRI, KE 328225 3 0 1 Strathmore-University, KE 3208 1 2 1 ARN, DZ 37717 1 16 1 EL-Khawarizmi, TN Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 592 2162 465 SINET-AS Research Organization of Infor 36914 527 80 50 KENET-AS, KE 7497 437 180 23 CSTNET-AS-AP Computer Network Informati 2018 381 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutsch 1916 210 176 42 Rede Nacional de Ensino e Pesquisa, BR 376 201 162 151 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 1237 193 74 142 KREONET-AS-KR KISTI, KR 786 185 1767 182 JANET Jisc Services Limited, GB Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 527 477 KENET-AS, KE 7497 437 414 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 1916 210 168 Rede Nacional de Ensino e Pesquisa, BR 18558 140 136 NETBLK-RCOEK, US 55824 127 110 NKN-CORE-NW NKN Core Network, IN 4538 182 107 ERX-CERNET-BKB China Education and Research Net 81 127 97 NCREN, US Complete listing at https://bgp.nsrc.org/REN/KENET/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 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 11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US 11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, US Complete listing at https://bgp.nsrc.org/REN/KENET/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 Complete listing at https://bgp.nsrc.org/REN/KENET/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 /13:19 /14:33 /15:120 /16:1922 /17:402 /18:422 /19:536 /20:791 /21:797 /22:1395 /23:1418 /24:9671 /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 509 527 KENET-AS, KE 23024 52 109 OCDE, US 32440 38 62 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 200521 30 51 SEAP-AGE, ES 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 40326 29 33 ECKERD-COLLEGE, US 30220 25 26 SWWC-SERVICE-COOPERATIVE, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 8:2 12:1 14:89 23:5 24:3 31:7 35:6 38:8 40:1 41:184 42:16 44:7 45:37 46:5 47:1 49:9 50:1 52:1 58:11 59:20 60:5 61:3 62:6 63:32 64:48 65:1 66:39 67:41 68:10 69:17 70:2 71:1 72:7 74:51 76:41 77:8 78:3 79:10 80:9 81:25 82:3 83:6 84:5 85:24 86:3 87:1 89:10 91:40 93:4 94:4 95:2 96:5 97:1 98:2 101:5 103:267 104:73 108:8 109:5 111:15 114:23 116:8 117:61 118:33 119:18 121:28 122:8 123:8 124:40 125:5 128:84 129:39 130:83 131:64 132:52 133:155 134:106 136:196 137:61 138:9 139:5 140:35 141:3 142:38 143:16 144:23 145:2 146:132 147:53 148:193 149:12 150:44 151:12 152:133 153:14 154:22 155:63 156:68 157:18 158:29 159:115 160:30 161:15 162:20 163:77 164:13 165:47 166:1 167:13 168:119 169:7 170:85 172:3 173:7 175:18 176:8 177:6 179:11 180:15 181:1 182:1 184:2 185:43 186:3 187:17 188:12 189:3 190:18 191:13 192:1322 193:259 194:120 195:68 196:139 197:317 198:427 199:243 200:323 201:37 202:622 203:421 204:345 205:125 206:184 207:143 208:72 209:110 210:193 211:15 212:41 213:2 216:82 217:9 218:22 219:6 220:15 222:3 223:14 End of report