IPv4 R&E Routing Table Report 18:50 GMT Tue 10 Sep, 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: 18850 Prefixes after maximum aggregation (per Origin AS): 10430 Deaggregation factor: 1.81 Unique aggregates announced (without unneeded subnets): 11518 Number of IPv4 prefixes with a valid ROA: 5998 Number of IPv4 prefixes with an invalid ROA: 5 Number of IPv4 prefixes with no ROA: 12847 Total ASes present in the Internet Routing Table: 2708 Prefixes per ASN: 6.96 Origin-only ASes present in the Internet Routing Table: 2353 Origin ASes announcing only one prefix: 1039 Transit ASes present in the Internet Routing Table: 355 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: 5.4 Max AS path length visible: 17 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: 45346 Number of 32-bit ASNs visible in the Routing Table: 654 Prefixes from 32-bit ASNs in the Routing Table: 1828 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: 199969536 Equivalent to 11 /8s, 235 /16s and 75 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 2196 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4675 Total APNIC prefixes after maximum aggregation: 2289 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4670 Unique aggregates announced from the APNIC address blocks: 2630 APNIC Region origin ASes present in the Internet Routing Table: 583 APNIC Prefixes per ASN: 8.01 APNIC Region origin ASes announcing only one prefix: 250 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 231 Number of APNIC addresses announced to Internet: 45838848 Equivalent to 2 /8s, 187 /16s and 114 /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: 8357 Total ARIN prefixes after maximum aggregation: 4620 ARIN Deaggregation factor: 1.81 Prefixes being announced from the ARIN address blocks: 8371 Unique aggregates announced from the ARIN address blocks: 5063 ARIN Region origin ASes present in the Internet Routing Table: 1234 ARIN Prefixes per ASN: 6.78 ARIN Region origin ASes announcing only one prefix: 436 ARIN Region transit ASes present in the Internet Routing Table: 149 Average ARIN Region AS path length visible: 5.7 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 204 Number of ARIN addresses announced to Internet: 88576000 Equivalent to 5 /8s, 71 /16s and 144 /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: 3557 Total RIPE prefixes after maximum aggregation: 2852 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3546 Unique aggregates announced from the RIPE address blocks: 2897 RIPE Region origin ASes present in the Internet Routing Table: 666 RIPE Prefixes per ASN: 5.32 RIPE Region origin ASes announcing only one prefix: 295 RIPE Region transit ASes present in the Internet Routing Table: 103 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 153 Number of RIPE addresses announced to Internet: 59621120 Equivalent to 3 /8s, 141 /16s and 191 /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: 1308 Total LACNIC prefixes after maximum aggregation: 535 LACNIC Deaggregation factor: 2.44 Prefixes being announced from the LACNIC address blocks: 1306 Unique aggregates announced from the LACNIC address blocks: 710 LACNIC Region origin ASes present in the Internet Routing Table: 155 LACNIC Prefixes per ASN: 8.43 LACNIC Region origin ASes announcing only one prefix: 54 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 6.2 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63 Number of LACNIC addresses announced to Internet: 4208384 Equivalent to 0 /8s, 64 /16s and 55 /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: 952 Total AfriNIC prefixes after maximum aggregation: 133 AfriNIC Deaggregation factor: 7.16 Prefixes being announced from the AfriNIC address blocks: 952 Unique aggregates announced from the AfriNIC address blocks: 214 AfriNIC Region origin ASes present in the Internet Routing Table: 9 AfriNIC Prefixes per ASN: 105.78 AfriNIC Region origin ASes announcing only one prefix: 4 AfriNIC Region transit ASes present in the Internet Routing Table: 4 Average AfriNIC Region AS path length visible: 1.9 Max AfriNIC Region AS path length visible: 6 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 3 Number of AfriNIC addresses announced to Internet: 1716480 Equivalent to 0 /8s, 26 /16s and 49 /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 450 212 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 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 2152 502 507 99 CENIC-2152, US 2920 229 44 49 LACOE, US 376 200 162 149 RISQ-AS, CA 5786 172 16 1 UPRENET, PR 270 162 345 88 AS270, US 18558 141 18 5 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 23024 96 7 21 OCDE, US 21976 87 50 17 NJEDGE-NET, US 237 85 541 50 MERIT-AS-14, 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 680 282 1899 249 DFN Verein zur Foerderung eines Deutschen 786 185 1767 182 JANET Jisc Services Limited, GB 8895 135 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch.c 1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 90 26 70 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 76 26 66 NIKS, RU 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 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 1916 87 180 41 Rede Nacional de Ensino e Pesquisa, BR 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 50 5 17 CEDIA, EC 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a 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/KENET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 537 81 46 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 6879 24 2 9 ENSTINET-, EG 328225 3 0 1 Strathmore-University, KE 327945 2 0 2 ILRI, KE 3208 1 2 1 ARN, DZ 6149 1 0 1 TENET-2, ZA 37717 1 16 1 EL-Khawarizmi, TN 329418 1 0 1 International-Centre-Research-Agroforestr 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 588 2169 464 SINET-AS Research Organization of Informa 36914 537 81 46 KENET-AS, KE 2152 502 507 99 CENIC-2152, US 7497 450 212 25 CSTNET-AS-AP Computer Network Information 2018 382 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutschen 2920 229 44 49 LACOE, US 376 200 162 149 RISQ-AS, CA 1237 190 74 145 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 537 491 KENET-AS, KE 7497 450 425 CSTNET-AS-AP Computer Network Information Cente 2152 502 403 CENIC-2152, US 2018 382 311 TENET-1, ZA 2920 229 180 LACOE, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 5786 172 171 UPRENET, PR 18558 141 136 NETBLK-RCOEK, US 8895 135 130 ISU Internet Services Unit ISU, SA 55824 133 113 NKN-CORE-NW NKN Core Network, IN 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 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/KENET/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/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 /11:2 /12:10 /13:18 /14:35 /15:118 /16:1962 /17:412 /18:439 /19:558 /20:828 /21:854 /22:1417 /23:1568 /24:10627 /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 519 537 KENET-AS, KE 8895 130 135 ISU Internet Services Unit ISU, SA 2152 61 502 CENIC-2152, US 23024 38 96 OCDE, US 32440 37 64 LONI, US 3267 35 76 NIKS, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 200521 32 55 SEAP-AGE, ES 25977 30 44 HCCS, 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 14:92 23:5 24:3 31:1 35:3 37:8 38:10 40:1 41:182 42:10 44:5 45:48 46:4 47:1 49:11 50:3 52:1 58:1 59:19 60:6 61:3 62:7 63:33 64:44 65:1 66:37 67:41 68:12 69:18 70:2 71:1 72:7 74:53 76:42 77:11 78:3 79:10 80:13 81:25 82:6 83:7 84:5 85:45 86:5 87:1 89:11 91:44 92:2 93:13 94:2 95:2 96:5 97:1 98:2 101:1 102:1 103:322 104:79 108:8 109:4 111:15 113:2 114:24 116:9 117:61 118:34 119:24 121:27 122:8 123:8 124:42 125:5 128:84 129:34 130:95 131:62 132:67 133:154 134:105 136:172 137:89 138:57 139:6 140:34 141:3 142:25 143:17 144:26 145:2 146:135 147:60 148:193 149:13 150:40 151:9 152:135 153:15 154:23 155:63 156:138 157:25 158:35 159:121 160:30 161:16 162:22 163:57 164:14 165:47 166:1 167:26 168:119 169:7 170:89 171:1 172:2 173:7 175:17 177:5 179:9 180:16 181:1 182:9 184:7 185:51 186:3 187:21 188:13 189:3 190:18 191:13 192:1444 193:269 194:139 195:75 196:139 197:328 198:539 199:246 200:220 201:38 202:642 203:436 204:393 205:169 206:206 207:300 208:66 209:149 210:216 211:3 212:162 213:6 216:90 217:9 218:21 219:5 220:17 222:2 223:15 End of report