IPv4 R&E Routing Table Report 18:50 GMT Tue 25 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: 10838 Prefixes after maximum aggregation (per Origin AS): 5307 Deaggregation factor: 2.04 Unique aggregates announced (without unneeded subnets): 6168 Number of IPv4 prefixes with a valid ROA: 2783 Number of IPv4 prefixes with an invalid ROA: 3 Number of IPv4 prefixes with no ROA: 8052 Total ASes present in the Internet Routing Table: 1647 Prefixes per ASN: 6.58 Origin-only ASes present in the Internet Routing Table: 1401 Origin ASes announcing only one prefix: 573 Transit ASes present in the Internet Routing Table: 246 Transit-only ASes present in the Internet Routing Table: 66 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: 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: 44852 Number of 32-bit ASNs visible in the Routing Table: 344 Prefixes from 32-bit ASNs in the Routing Table: 1006 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: 96739584 Equivalent to 5 /8s, 196 /16s and 33 /24s Percentage of available address space announced: 2.6 Percentage of allocated address space announced: 2.6 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: 1619 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 1935 Total APNIC prefixes after maximum aggregation: 1011 APNIC Deaggregation factor: 1.91 Prefixes being announced from the APNIC address blocks: 1932 Unique aggregates announced from the APNIC address blocks: 1342 APNIC Region origin ASes present in the Internet Routing Table: 296 APNIC Prefixes per ASN: 6.53 APNIC Region origin ASes announcing only one prefix: 111 APNIC Region transit ASes present in the Internet Routing Table: 47 Average APNIC Region AS path length visible: 6.9 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 93 Number of APNIC addresses announced to Internet: 13177600 Equivalent to 0 /8s, 201 /16s and 19 /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: 6400 Total ARIN prefixes after maximum aggregation: 3447 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 6405 Unique aggregates announced from the ARIN address blocks: 3722 ARIN Region origin ASes present in the Internet Routing Table: 1038 ARIN Prefixes per ASN: 6.17 ARIN Region origin ASes announcing only one prefix: 372 ARIN Region transit ASes present in the Internet Routing Table: 143 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 170 Number of ARIN addresses announced to Internet: 77630208 Equivalent to 4 /8s, 160 /16s and 139 /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: 446 Total RIPE prefixes after maximum aggregation: 244 RIPE Deaggregation factor: 1.83 Prefixes being announced from the RIPE address blocks: 443 Unique aggregates announced from the RIPE address blocks: 269 RIPE Region origin ASes present in the Internet Routing Table: 91 RIPE Prefixes per ASN: 4.87 RIPE Region origin ASes announcing only one prefix: 35 RIPE Region transit ASes present in the Internet Routing Table: 16 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: 16 Number of RIPE addresses announced to Internet: 533248 Equivalent to 0 /8s, 8 /16s and 35 /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: 1097 Total LACNIC prefixes after maximum aggregation: 464 LACNIC Deaggregation factor: 2.36 Prefixes being announced from the LACNIC address blocks: 1096 Unique aggregates announced from the LACNIC address blocks: 597 LACNIC Region origin ASes present in the Internet Routing Table: 149 LACNIC Prefixes per ASN: 7.36 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: 6.3 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: 3749120 Equivalent to 0 /8s, 57 /16s and 53 /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: 959 Total AfriNIC prefixes after maximum aggregation: 140 AfriNIC Deaggregation factor: 6.85 Prefixes being announced from the AfriNIC address blocks: 959 Unique aggregates announced from the AfriNIC address blocks: 236 AfriNIC Region origin ASes present in the Internet Routing Table: 6 AfriNIC Prefixes per ASN: 159.83 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: 1.9 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: 1641216 Equivalent to 0 /8s, 25 /16s and 11 /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 74 142 KREONET-AS-KR KISTI, KR 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 38280 50 3 2 MONASHUNI-MY-AS-AP Monash University Su 1659 49 1450 34 ERX-TANET-ASN1 Taiwan Academic Network 9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR 9903 43 3 10 RIT-AS-AP Rajamangala Institute of Tech 2907 39 96 39 SINET-AS Research Organization of Infor 9270 35 5 6 APAN-KR-AS National Infomation Society 17862 34 10 34 KWNU-AS-KR Kangwon National University, 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 107 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 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 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 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 61468 44 5 15 CEDIA, EC 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 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 545 80 56 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 6879 24 2 9 ENSTINET-, EG 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 545 80 56 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 5786 199 16 1 UPRENET, PR 1237 191 74 142 KREONET-AS-KR KISTI, KR 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 8895 136 24 5 ISU Internet Services Unit ISU, SA 81 133 517 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 199 198 UPRENET, PR 2920 175 168 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 23024 107 86 OCDE, US 1736 79 78 MU-AS, US 4762 75 74 MAHIDOL-BORDER-AS Mahidol University, Thailand, 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 /11:1 /12:1 /13:5 /14:9 /15:21 /16:920 /17:284 /18:305 /19:370 /20:594 /21:455 /22:743 /23:812 /24:6316 /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 528 545 KENET-AS, KE 8895 131 136 ISU Internet Services Unit ISU, SA 23024 49 107 OCDE, US 32440 36 62 LONI, US 3267 35 76 RUNNET, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 25977 30 44 HCCS, US 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 40326 29 33 ECKERD-COLLEGE, 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 14:5 23:3 24:1 35:3 38:9 40:1 41:185 42:4 44:1 45:28 47:1 49:6 50:3 52:1 59:17 61:3 62:3 63:32 64:41 65:1 66:33 67:41 68:10 69:19 70:2 71:1 72:7 74:48 76:39 77:3 80:5 81:1 82:4 83:1 84:1 85:17 86:5 91:10 92:2 97:1 98:2 103:141 104:76 108:8 109:7 114:14 116:8 117:61 118:34 119:1 121:10 122:8 125:3 128:47 129:33 130:89 131:31 132:59 133:4 134:89 136:198 137:45 138:49 139:4 140:34 141:3 143:12 144:1 146:16 147:55 148:187 149:11 150:36 151:7 152:132 153:3 154:23 155:60 156:127 157:16 158:6 159:20 160:4 161:15 162:20 163:47 164:14 165:48 166:1 167:10 168:120 169:6 170:90 171:1 172:3 173:6 175:25 176:8 177:6 179:11 180:1 181:1 182:1 184:2 185:9 186:3 187:17 188:2 189:3 190:18 191:4 192:597 193:9 194:32 195:29 196:136 197:335 198:293 199:131 200:189 201:37 202:301 203:211 204:315 205:59 206:110 207:138 208:63 209:90 210:137 211:14 212:123 213:2 216:71 218:22 219:1 220:3 222:1 End of report