IPv4 R&E Routing Table Report 18:50 GMT Tue 05 Nov, 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: 10513 Prefixes after maximum aggregation (per Origin AS): 5394 Deaggregation factor: 1.95 Unique aggregates announced (without unneeded subnets): 6273 Number of IPv4 prefixes with a valid ROA: 3827 Number of IPv4 prefixes with an invalid ROA: 4 Number of IPv4 prefixes with no ROA: 6682 Total ASes present in the Internet Routing Table: 1608 Prefixes per ASN: 6.54 Origin-only ASes present in the Internet Routing Table: 1384 Origin ASes announcing only one prefix: 568 Transit ASes present in the Internet Routing Table: 224 Transit-only ASes present in the Internet Routing Table: 56 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 29 Max AS path prepend of ASN (138136) 20 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: 45700 Number of 32-bit ASNs visible in the Routing Table: 392 Prefixes from 32-bit ASNs in the Routing Table: 1094 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: 2 Number of addresses announced to Internet: 104167168 Equivalent to 6 /8s, 53 /16s and 119 /24s Percentage of available address space announced: 2.8 Percentage of allocated address space announced: 2.8 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: 1402 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 2088 Total APNIC prefixes after maximum aggregation: 1358 APNIC Deaggregation factor: 1.54 Prefixes being announced from the APNIC address blocks: 2085 Unique aggregates announced from the APNIC address blocks: 1640 APNIC Region origin ASes present in the Internet Routing Table: 358 APNIC Prefixes per ASN: 5.82 APNIC Region origin ASes announcing only one prefix: 144 APNIC Region transit ASes present in the Internet Routing Table: 43 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 148 Number of APNIC addresses announced to Internet: 25341184 Equivalent to 1 /8s, 130 /16s and 173 /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: 5802 Total ARIN prefixes after maximum aggregation: 3148 ARIN Deaggregation factor: 1.84 Prefixes being announced from the ARIN address blocks: 5808 Unique aggregates announced from the ARIN address blocks: 3464 ARIN Region origin ASes present in the Internet Routing Table: 963 ARIN Prefixes per ASN: 6.03 ARIN Region origin ASes announcing only one prefix: 348 ARIN Region transit ASes present in the Internet Routing Table: 127 Average ARIN Region AS path length visible: 5.3 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: 71582208 Equivalent to 4 /8s, 68 /16s and 66 /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: 431 Total RIPE prefixes after maximum aggregation: 239 RIPE Deaggregation factor: 1.80 Prefixes being announced from the RIPE address blocks: 429 Unique aggregates announced from the RIPE address blocks: 256 RIPE Region origin ASes present in the Internet Routing Table: 83 RIPE Prefixes per ASN: 5.17 RIPE Region origin ASes announcing only one prefix: 31 RIPE Region transit ASes present in the Internet Routing Table: 14 Average RIPE Region AS path length visible: 5.9 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 16 Number of RIPE addresses announced to Internet: 1573120 Equivalent to 0 /8s, 24 /16s and 1 /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: 1242 Total LACNIC prefixes after maximum aggregation: 502 LACNIC Deaggregation factor: 2.47 Prefixes being announced from the LACNIC address blocks: 1240 Unique aggregates announced from the LACNIC address blocks: 682 LACNIC Region origin ASes present in the Internet Routing Table: 140 LACNIC Prefixes per ASN: 8.86 LACNIC Region origin ASes announcing only one prefix: 43 LACNIC Region transit ASes present in the Internet Routing Table: 22 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: 56 Number of LACNIC addresses announced to Internet: 4030976 Equivalent to 0 /8s, 61 /16s and 130 /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: 949 Total AfriNIC prefixes after maximum aggregation: 146 AfriNIC Deaggregation factor: 6.50 Prefixes being announced from the AfriNIC address blocks: 949 Unique aggregates announced from the AfriNIC address blocks: 229 AfriNIC Region origin ASes present in the Internet Routing Table: 7 AfriNIC Prefixes per ASN: 135.57 AfriNIC Region origin ASes announcing only one prefix: 2 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: 1639168 Equivalent to 0 /8s, 25 /16s and 3 /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 1237 191 74 145 KREONET-AS-KR KISTI, KR 7575 122 229 88 AARNET-AS-AP Australian Academic and Rese 4538 104 2878 73 ERX-CERNET-BKB China Education and Resear 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 2697 54 3 32 ERX-ERNET-AS Education and Research Netwo 9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR 2907 43 40 26 SINET-AS Research Organization of Informa 1659 38 1466 35 ERX-TANET-ASN1 Taiwan Academic Network TA 24361 33 56 17 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast 9568 32 2 4 KIMM-AS-KR KOREA INSTITUTE OF MACHINERY M 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 5786 197 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 23024 95 7 21 OCDE, US 21976 91 50 17 NJEDGE-NET, US 237 85 541 50 MERIT-AS-14, US 1736 79 16 1 MU-AS, US 3477 74 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 8895 133 24 5 ISU Internet Services Unit ISU, SA 3267 77 26 67 NIKS, RU 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 29384 11 3 8 QATAR-FOUNDATION, QA 5480 8 1 8 R61NET Network of educational, scientific 50517 8 2 1 KSU, SA 2895 7 3 7 FREE-NET-AS FREEnet, RU 42289 7 2 3 ITMO-AS ITMO, RU 5386 6 3 2 COSMOS-SN-AS SpaceNet, RU 57867 6 0 4 REA-AS, 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 1916 178 178 42 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a 4270 46 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blumena 1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 3596 37 8 4 Universidad Autonoma Metropolitana, MX 21612 29 16 1 FUNDACAO INSTITUTO OSWALDO CRUZ, BR 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 536 80 61 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 6149 1 0 1 TENET-2, ZA 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 36914 536 80 61 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 5786 197 16 1 UPRENET, PR 1237 191 74 145 KREONET-AS-KR KISTI, KR 1916 178 178 42 Rede Nacional de Ensino e Pesquisa, BR 2920 175 34 7 LACOE, US 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 2018 382 311 TENET-1, ZA 5786 197 196 UPRENET, PR 2920 175 168 LACOE, US 1916 178 136 Rede Nacional de Ensino e Pesquisa, BR 18558 140 136 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA 81 134 101 NCREN, US 28391 154 86 Universidad Juarez Autonoma de Tabasco, MX 1736 79 78 MU-AS, US 23024 95 74 OCDE, 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 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 202.46.245.0/24 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 /11:1 /12:4 /13:11 /14:18 /15:59 /16:898 /17:283 /18:295 /19:371 /20:511 /21:458 /22:723 /23:794 /24:6085 /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 513 536 KENET-AS, KE 8895 128 133 ISU Internet Services Unit ISU, SA 23024 37 95 OCDE, US 32440 37 63 LONI, US 3267 35 77 NIKS, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 30 44 HCCS, US 26898 24 32 LNOCA-ORG, US 36794 24 26 SCOCA, US 1968 21 29 UMASSNET-AS1968, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 8:2 12:1 14:20 23:5 24:3 35:3 38:9 41:176 42:10 44:1 45:29 47:1 49:10 50:2 59:1 62:4 63:3 64:19 65:4 66:30 67:40 68:4 69:19 70:2 72:7 74:17 76:41 77:3 80:5 81:1 82:4 83:1 84:1 85:20 86:5 91:3 92:2 97:1 98:2 102:1 103:206 104:76 108:2 109:2 111:4 114:14 116:3 117:61 118:1 121:10 125:3 128:27 129:27 130:90 131:24 132:43 134:90 136:197 137:35 138:57 139:5 140:30 141:3 142:4 143:13 144:24 146:107 147:22 148:188 149:12 150:36 151:7 152:137 153:3 154:24 155:59 156:130 157:24 158:13 159:17 160:24 161:11 162:12 163:51 164:11 165:49 166:1 167:7 168:113 169:6 170:86 171:1 172:2 173:7 175:16 177:6 179:13 180:8 182:8 184:1 185:9 186:3 187:17 188:2 189:3 190:1 191:4 192:552 193:11 194:29 195:29 196:138 197:329 198:265 199:112 200:269 201:33 202:180 203:252 204:310 205:52 206:100 207:144 208:61 209:79 210:115 211:3 212:125 213:2 216:31 218:21 219:1 220:13 222:2 223:11 End of report