IPv4 R&E Routing Table Report 18:50 GMT Thu 20 Jun, 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: 8776 Prefixes after maximum aggregation (per Origin AS): 4207 Deaggregation factor: 2.09 Unique aggregates announced (without unneeded subnets): 4853 Number of IPv4 prefixes with a valid ROA: 2418 Number of IPv4 prefixes with an invalid ROA: 0 Number of IPv4 prefixes with no ROA: 6358 Total ASes present in the Internet Routing Table: 1326 Prefixes per ASN: 6.62 Origin-only ASes present in the Internet Routing Table: 1122 Origin ASes announcing only one prefix: 440 Transit ASes present in the Internet Routing Table: 204 Transit-only ASes present in the Internet Routing Table: 54 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: 15 Max AS path prepend of ASN ( 10497) 11 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: 44805 Number of 32-bit ASNs visible in the Routing Table: 255 Prefixes from 32-bit ASNs in the Routing Table: 819 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: 0 Number of addresses announced to Internet: 79794432 Equivalent to 4 /8s, 193 /16s and 145 /24s Percentage of available address space announced: 2.2 Percentage of allocated address space announced: 2.2 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: 1448 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 632 Total APNIC prefixes after maximum aggregation: 330 APNIC Deaggregation factor: 1.92 Prefixes being announced from the APNIC address blocks: 632 Unique aggregates announced from the APNIC address blocks: 435 APNIC Region origin ASes present in the Internet Routing Table: 116 APNIC Prefixes per ASN: 5.45 APNIC Region origin ASes announcing only one prefix: 38 APNIC Region transit ASes present in the Internet Routing Table: 28 Average APNIC Region AS path length visible: 7.2 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 27 Number of APNIC addresses announced to Internet: 1576192 Equivalent to 0 /8s, 24 /16s and 13 /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: 5724 Total ARIN prefixes after maximum aggregation: 3064 ARIN Deaggregation factor: 1.87 Prefixes being announced from the ARIN address blocks: 5730 Unique aggregates announced from the ARIN address blocks: 3359 ARIN Region origin ASes present in the Internet Routing Table: 926 ARIN Prefixes per ASN: 6.19 ARIN Region origin ASes announcing only one prefix: 326 ARIN Region transit ASes present in the Internet Routing Table: 123 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: 157 Number of ARIN addresses announced to Internet: 72326656 Equivalent to 4 /8s, 79 /16s and 158 /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: 434 Total RIPE prefixes after maximum aggregation: 239 RIPE Deaggregation factor: 1.82 Prefixes being announced from the RIPE address blocks: 431 Unique aggregates announced from the RIPE address blocks: 264 RIPE Region origin ASes present in the Internet Routing Table: 86 RIPE Prefixes per ASN: 5.01 RIPE Region origin ASes announcing only one prefix: 32 RIPE Region transit ASes present in the Internet Routing Table: 14 Average RIPE Region AS path length visible: 5.2 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 15 Number of RIPE addresses announced to Internet: 526848 Equivalent to 0 /8s, 8 /16s and 10 /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: 1060 Total LACNIC prefixes after maximum aggregation: 440 LACNIC Deaggregation factor: 2.41 Prefixes being announced from the LACNIC address blocks: 1058 Unique aggregates announced from the LACNIC address blocks: 586 LACNIC Region origin ASes present in the Internet Routing Table: 138 LACNIC Prefixes per ASN: 7.67 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: 6.4 Max LACNIC Region AS path length visible: 15 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 54 Number of LACNIC addresses announced to Internet: 3730432 Equivalent to 0 /8s, 56 /16s and 236 /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: 925 Total AfriNIC prefixes after maximum aggregation: 133 AfriNIC Deaggregation factor: 6.95 Prefixes being announced from the AfriNIC address blocks: 925 Unique aggregates announced from the AfriNIC address blocks: 209 AfriNIC Region origin ASes present in the Internet Routing Table: 5 AfriNIC Prefixes per ASN: 185.00 AfriNIC Region origin ASes announcing only one prefix: 1 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: 2 Number of AfriNIC addresses announced to Internet: 1634304 Equivalent to 0 /8s, 24 /16s and 240 /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 38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Su 9270 35 5 6 APAN-KR-AS National Infomation Society 17862 34 10 34 KWNU-AS-KR Kangwon National University, 24151 28 2 11 CNNIC-CRITICAL-AP China Internet Networ 24514 25 2 9 MYREN-MY Malaysian Research & Education 3363 24 19 7 HKUST-AS-HK Hong Kong University of Sci 7650 24 4 9 EDUHK-AS-AP The Education University of 133014 23 12 4 UTM-AS-AP Universiti Teknologi Malaysia 7577 16 1 6 VTC-AS-AP Vocational Training Council H 24020 16 1 1 UITM-AS-AP University ITM, Shah Alam, S 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 199 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 149 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 23024 106 7 22 OCDE, US 21976 88 51 18 NJEDGE-NET, US 237 85 543 51 MERIT-AS-14, US 1736 79 16 1 MU-AS, US 3477 72 63 40 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 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 5480 8 1 8 R61NET Network of educational, scientif 42289 7 2 3 ITMO-AS ITMO, RU 5386 6 3 2 COSMOS-SN-AS SpaceNet, RU 57867 6 0 4 REA-AS, RU 49834 5 1 1 BESTHOSTING, 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, 1916 80 175 41 Rede Nacional de Ensino e Pesquisa, BR 271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 17 3 Red de Interconexion Universitaria, AR 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 28614 38 2 2 Fundacao Universidade Regional de Blume 3596 37 8 4 Universidad Autonoma Metropolitana, MX 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 61468 29 2 5 CEDIA, EC 278 24 32 4 Universidad Nacional Autonoma de Mexico 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 535 80 58 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 327945 4 0 2 ILRI, KE 328225 3 0 1 Strathmore-University, KE 6149 1 0 1 TENET-2, ZA 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 535 80 58 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 5786 199 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 2152 149 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 8895 133 24 5 ISU Internet Services Unit ISU, SA 23024 106 7 22 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 199 198 UPRENET, PR 2920 175 168 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 133 128 ISU Internet Services Unit ISU, SA 81 133 100 NCREN, US 28391 153 86 Universidad Juarez Autonoma de Tabasco, MX 23024 106 84 OCDE, US 1736 79 78 MU-AS, US 21976 88 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 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 /15:16 /16:760 /17:261 /18:281 /19:310 /20:467 /21:368 /22:590 /23:669 /24:5041 /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 518 535 KENET-AS, KE 8895 128 133 ISU Internet Services Unit ISU, SA 23024 49 106 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 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) ---------------------------------------------- 8:2 12:1 23:3 24:1 35:3 38:9 41:184 42:4 45:20 47:1 49:6 50:3 59:16 61:3 62:3 63:3 64:18 65:1 66:23 67:41 68:2 69:19 70:2 72:7 74:15 76:39 77:3 80:5 81:1 82:4 83:1 84:1 85:17 86:5 91:9 92:2 97:1 98:2 103:48 104:74 108:2 109:7 114:3 116:8 118:32 119:1 122:8 125:3 128:27 129:29 130:89 131:27 132:56 134:63 136:198 137:35 138:49 139:4 140:33 141:3 143:12 144:1 146:14 147:24 148:187 149:11 150:29 151:7 152:132 153:3 154:23 155:59 156:127 157:16 158:6 159:20 160:4 161:14 162:11 163:47 164:14 165:10 166:1 167:8 168:121 169:6 170:87 171:1 172:3 173:6 175:18 176:8 177:6 179:11 182:1 184:2 185:9 186:3 187:17 188:2 189:3 190:17 191:3 192:511 193:9 194:29 195:5 196:133 197:326 198:256 199:109 200:180 201:37 202:98 203:41 204:304 205:48 206:78 207:123 208:63 209:90 210:22 211:13 212:120 213:2 216:40 218:20 219:1 End of report