IPv4 R&E Routing Table Report 18:50 GMT Mon 04 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: 10904 Prefixes after maximum aggregation (per Origin AS): 5448 Deaggregation factor: 2.00 Unique aggregates announced (without unneeded subnets): 6282 Number of IPv4 prefixes with a valid ROA: 3800 Number of IPv4 prefixes with an invalid ROA: 4 Number of IPv4 prefixes with no ROA: 7100 Total ASes present in the Internet Routing Table: 1609 Prefixes per ASN: 6.78 Origin-only ASes present in the Internet Routing Table: 1383 Origin ASes announcing only one prefix: 567 Transit ASes present in the Internet Routing Table: 226 Transit-only ASes present in the Internet Routing Table: 57 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.5 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: 45705 Number of 32-bit ASNs visible in the Routing Table: 393 Prefixes from 32-bit ASNs in the Routing Table: 1115 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: 105139712 Equivalent to 6 /8s, 68 /16s and 78 /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: 1460 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 2091 Total APNIC prefixes after maximum aggregation: 1358 APNIC Deaggregation factor: 1.54 Prefixes being announced from the APNIC address blocks: 2088 Unique aggregates announced from the APNIC address blocks: 1642 APNIC Region origin ASes present in the Internet Routing Table: 359 APNIC Prefixes per ASN: 5.82 APNIC Region origin ASes announcing only one prefix: 145 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: 26420480 Equivalent to 1 /8s, 147 /16s and 37 /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: 6239 Total ARIN prefixes after maximum aggregation: 3203 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 6245 Unique aggregates announced from the ARIN address blocks: 3470 ARIN Region origin ASes present in the Internet Routing Table: 963 ARIN Prefixes per ASN: 6.48 ARIN Region origin ASes announcing only one prefix: 347 ARIN Region transit ASes present in the Internet Routing Table: 129 Average ARIN Region AS path length visible: 5.6 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 170 Number of ARIN addresses announced to Internet: 71476224 Equivalent to 4 /8s, 66 /16s and 164 /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: 430 Total RIPE prefixes after maximum aggregation: 238 RIPE Deaggregation factor: 1.81 Prefixes being announced from the RIPE address blocks: 428 Unique aggregates announced from the RIPE address blocks: 255 RIPE Region origin ASes present in the Internet Routing Table: 82 RIPE Prefixes per ASN: 5.22 RIPE Region origin ASes announcing only one prefix: 30 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: 1571840 Equivalent to 0 /8s, 23 /16s and 252 /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: 1190 Total LACNIC prefixes after maximum aggregation: 501 LACNIC Deaggregation factor: 2.38 Prefixes being announced from the LACNIC address blocks: 1188 Unique aggregates announced from the LACNIC address blocks: 681 LACNIC Region origin ASes present in the Internet Routing Table: 140 LACNIC Prefixes per ASN: 8.49 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: 4030720 Equivalent to 0 /8s, 61 /16s and 129 /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: 953 Total AfriNIC prefixes after maximum aggregation: 147 AfriNIC Deaggregation factor: 6.48 Prefixes being announced from the AfriNIC address blocks: 953 Unique aggregates announced from the AfriNIC address blocks: 232 AfriNIC Region origin ASes present in the Internet Routing Table: 7 AfriNIC Prefixes per ASN: 136.14 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: 1639936 Equivalent to 0 /8s, 25 /16s and 6 /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 105 3134 74 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 2152 500 507 99 CENIC-2152, US 2920 221 44 44 LACOE, US 5786 197 16 1 UPRENET, PR 18558 141 18 5 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 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 1916 125 178 42 Rede Nacional de Ensino e Pesquisa, BR 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 540 80 62 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 540 80 62 KENET-AS, KE 2152 500 507 99 CENIC-2152, US 2018 382 319 71 TENET-1, ZA 2920 221 44 44 LACOE, US 5786 197 16 1 UPRENET, PR 1237 191 74 145 KREONET-AS-KR KISTI, KR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 18558 141 18 5 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 8895 133 24 5 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/KENET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 2152 500 401 CENIC-2152, US 2018 382 311 TENET-1, ZA 5786 197 196 UPRENET, PR 2920 221 177 LACOE, US 18558 141 136 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 1916 125 83 Rede Nacional de Ensino e Pesquisa, BR 1736 79 78 MU-AS, 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 /12:5 /13:11 /14:18 /15:59 /16:897 /17:281 /18:299 /19:373 /20:516 /21:467 /22:761 /23:865 /24:6349 /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 517 540 KENET-AS, KE 8895 128 133 ISU Internet Services Unit ISU, SA 2152 60 500 CENIC-2152, US 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 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 41:179 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 91:4 92:2 97:1 98:2 102:1 103:207 104:76 108:2 109:2 111:4 114:14 116:3 117:61 118:1 121:10 125:3 128:28 129:27 130:91 131:25 132:43 134:90 136:197 137:75 138:57 139:4 140:30 141:3 142:4 143:13 144:24 146:107 147:22 148:188 149:12 150:36 151:7 152:137 153:3 154:24 155:59 156:130 157:24 158:13 159:11 160:24 161:11 162:12 163:49 164:11 165:49 166:1 167:22 168:113 169:6 170:86 171:1 172:2 173:7 175:16 177:6 179:13 180:8 182:8 184:1 185:9 186:3 187:17 188:2 189:3 190:1 191:4 192:553 193:11 194:29 195:29 196:138 197:330 198:347 199:112 200:216 201:33 202:180 203:252 204:333 205:87 206:99 207:220 208:61 209:124 210:115 211:3 212:125 213:2 216:32 218:21 219:1 220:13 222:2 223:11 End of report