IPv4 R&E Routing Table Report 18:50 GMT Sun 14 Jul, 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: 9143 Prefixes after maximum aggregation (per Origin AS): 4534 Deaggregation factor: 2.02 Unique aggregates announced (without unneeded subnets): 5237 Number of IPv4 prefixes with a valid ROA: 2719 Number of IPv4 prefixes with an invalid ROA: 3 Number of IPv4 prefixes with no ROA: 6421 Total ASes present in the Internet Routing Table: 1470 Prefixes per ASN: 6.22 Origin-only ASes present in the Internet Routing Table: 1251 Origin ASes announcing only one prefix: 517 Transit ASes present in the Internet Routing Table: 219 Transit-only ASes present in the Internet Routing Table: 62 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.2 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: 44976 Number of 32-bit ASNs visible in the Routing Table: 333 Prefixes from 32-bit ASNs in the Routing Table: 985 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: 3 Number of addresses announced to Internet: 83718400 Equivalent to 4 /8s, 253 /16s and 113 /24s Percentage of available address space announced: 2.3 Percentage of allocated address space announced: 2.3 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: 1428 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 1001 Total APNIC prefixes after maximum aggregation: 616 APNIC Deaggregation factor: 1.62 Prefixes being announced from the APNIC address blocks: 997 Unique aggregates announced from the APNIC address blocks: 810 APNIC Region origin ASes present in the Internet Routing Table: 232 APNIC Prefixes per ASN: 4.30 APNIC Region origin ASes announcing only one prefix: 101 APNIC Region transit ASes present in the Internet Routing Table: 35 Average APNIC Region AS path length visible: 6.6 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 101 Number of APNIC addresses announced to Internet: 5519360 Equivalent to 0 /8s, 84 /16s and 56 /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: 5721 Total ARIN prefixes after maximum aggregation: 3087 ARIN Deaggregation factor: 1.85 Prefixes being announced from the ARIN address blocks: 5726 Unique aggregates announced from the ARIN address blocks: 3368 ARIN Region origin ASes present in the Internet Routing Table: 937 ARIN Prefixes per ASN: 6.11 ARIN Region origin ASes announcing only one prefix: 333 ARIN Region transit ASes present in the Internet Routing Table: 126 Average ARIN Region AS path length visible: 5.3 Max ARIN Region AS path length visible: 17 Number of ARIN region 32-bit ASNs visible in the Routing Table: 158 Number of ARIN addresses announced to Internet: 72094208 Equivalent to 4 /8s, 76 /16s and 18 /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: 453 Total RIPE prefixes after maximum aggregation: 254 RIPE Deaggregation factor: 1.78 Prefixes being announced from the RIPE address blocks: 450 Unique aggregates announced from the RIPE address blocks: 279 RIPE Region origin ASes present in the Internet Routing Table: 92 RIPE Prefixes per ASN: 4.89 RIPE Region origin ASes announcing only one prefix: 35 RIPE Region transit ASes present in the Internet Routing Table: 15 Average RIPE Region AS path length visible: 5.3 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 16 Number of RIPE addresses announced to Internet: 544256 Equivalent to 0 /8s, 8 /16s and 78 /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: 1041 Total LACNIC prefixes after maximum aggregation: 445 LACNIC Deaggregation factor: 2.34 Prefixes being announced from the LACNIC address blocks: 1041 Unique aggregates announced from the LACNIC address blocks: 568 LACNIC Region origin ASes present in the Internet Routing Table: 140 LACNIC Prefixes per ASN: 7.44 LACNIC Region origin ASes announcing only one prefix: 46 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 55 Number of LACNIC addresses announced to Internet: 3917824 Equivalent to 0 /8s, 59 /16s and 200 /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: 926 Total AfriNIC prefixes after maximum aggregation: 131 AfriNIC Deaggregation factor: 7.07 Prefixes being announced from the AfriNIC address blocks: 926 Unique aggregates announced from the AfriNIC address blocks: 210 AfriNIC Region origin ASes present in the Internet Routing Table: 6 AfriNIC Prefixes per ASN: 154.33 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: 1.8 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: 1634560 Equivalent to 0 /8s, 24 /16s and 241 /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 2697 52 3 31 ERX-ERNET-AS Education and Research Netwo 132524 44 9 11 TIFR-AS Tata Institute of Fundamental Res 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 24363 28 21 15 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong 3363 24 19 7 HKUST-AS-HK Hong Kong University of Scien 7650 24 4 9 EDUHK-AS-AP The Education University of H 24348 20 98 16 CNGI-BJ-IX2-AS-AP CERNET2 IX at Tsinghua 24364 20 176 9 CNGI-SH-IX-AS-AP CERNET2 IX at Shanghai J 55824 20 1 18 NKN-CORE-NW NKN Core Network, IN 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 198 16 1 UPRENET, PR 2920 176 34 7 LACOE, US 2152 149 507 95 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 23024 96 7 21 OCDE, US 21976 87 50 17 NJEDGE-NET, US 237 85 543 51 MERIT-AS-14, US 1736 79 16 1 MU-AS, US 3477 71 63 39 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 136 24 5 ISU Internet Services Unit ISU, SA 3267 76 26 66 RUNNET, RU 3218 21 4 18 COSMOS-3218-AS AS-COSMOS root, RU 47862 12 1 4 ANKABUT, AE 29384 11 3 8 QATAR-FOUNDATION, QA 2895 8 3 8 FREE-NET-AS FREEnet, RU 5480 8 1 8 R61NET Network of educational, scientific 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 153 10 67 Universidad Juarez Autonoma de Tabasco, M 1916 81 176 42 Rede Nacional de Ensino e Pesquisa, BR 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 48 17 3 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 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 278 24 32 4 Universidad Nacional Autonoma de Mexico, 21612 23 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 537 80 55 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 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 537 80 55 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 5786 198 16 1 UPRENET, PR 2920 176 34 7 LACOE, US 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 2152 149 507 95 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 8895 136 24 5 ISU Internet Services Unit ISU, SA 81 133 517 33 NCREN, US 23024 96 7 21 OCDE, 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 198 197 UPRENET, PR 2920 176 169 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 136 131 ISU Internet Services Unit ISU, SA 81 133 100 NCREN, US 28391 153 86 Universidad Juarez Autonoma de Tabasco, MX 1736 79 78 MU-AS, US 23024 96 75 OCDE, US 21976 87 70 NJEDGE-NET, 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 202.46.0.0/20 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 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 /11:0 /12:0 /13:3 /14:8 /15:17 /16:814 /17:268 /18:287 /19:319 /20:493 /21:400 /22:607 /23:689 /24:5236 /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 520 537 KENET-AS, KE 8895 131 136 ISU Internet Services Unit ISU, SA 23024 38 96 OCDE, US 32440 36 62 LONI, US 3267 35 76 RUNNET, 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 22 30 UMASSNET-AS1968, US Complete listing at https://bgp.nsrc.org/REN/KENET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 8:2 12:1 14:20 23:3 24:1 35:3 38:9 41:185 44:1 45:27 47:1 49:8 50:3 59:1 61:1 62:3 63:4 64:18 65:1 66:23 67:41 68:2 69:19 70:2 72:7 74:15 76:41 77:3 80:5 81:1 82:4 83:1 84:1 85:17 86:5 91:9 92:2 97:1 98:2 102:1 103:135 104:75 108:2 109:7 118:1 121:10 128:27 129:29 130:88 131:27 132:57 133:1 134:64 136:197 137:35 138:49 139:4 140:33 141:3 142:2 143:12 144:22 146:20 147:19 148:187 149:11 150:26 151:7 152:131 153:3 154:23 155:59 156:127 157:16 158:31 159:20 160:4 161:11 162:12 163:47 164:14 165:10 166:1 167:6 168:114 169:6 170:86 171:1 172:3 173:7 175:29 176:8 177:6 179:10 180:8 182:1 184:1 185:9 186:3 187:17 188:2 189:3 190:1 191:4 192:517 193:15 194:29 195:5 196:137 197:326 198:260 199:110 200:185 201:34 202:154 203:75 204:304 205:48 206:79 207:126 208:63 209:82 210:39 212:123 213:2 216:38 219:1 220:4 222:1 End of report