IPv4 R&E Routing Table Report 18:50 GMT Tue 09 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: 10257 Prefixes after maximum aggregation (per Origin AS): 5217 Deaggregation factor: 1.97 Unique aggregates announced (without unneeded subnets): 6067 Number of IPv4 prefixes with a valid ROA: 2937 Number of IPv4 prefixes with an invalid ROA: 3 Number of IPv4 prefixes with no ROA: 7317 Total ASes present in the Internet Routing Table: 1596 Prefixes per ASN: 6.43 Origin-only ASes present in the Internet Routing Table: 1363 Origin ASes announcing only one prefix: 564 Transit ASes present in the Internet Routing Table: 233 Transit-only ASes present in the Internet Routing Table: 63 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: 44986 Number of 32-bit ASNs visible in the Routing Table: 365 Prefixes from 32-bit ASNs in the Routing Table: 1076 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: 94658816 Equivalent to 5 /8s, 164 /16s and 97 /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: 1435 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 1941 Total APNIC prefixes after maximum aggregation: 1234 APNIC Deaggregation factor: 1.57 Prefixes being announced from the APNIC address blocks: 1938 Unique aggregates announced from the APNIC address blocks: 1540 APNIC Region origin ASes present in the Internet Routing Table: 335 APNIC Prefixes per ASN: 5.79 APNIC Region origin ASes announcing only one prefix: 140 APNIC Region transit ASes present in the Internet Routing Table: 43 Average APNIC Region AS path length visible: 5.9 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 130 Number of APNIC addresses announced to Internet: 15743488 Equivalent to 0 /8s, 240 /16s and 58 /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: 5810 Total ARIN prefixes after maximum aggregation: 3122 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 5816 Unique aggregates announced from the ARIN address blocks: 3411 ARIN Region origin ASes present in the Internet Routing Table: 950 ARIN Prefixes per ASN: 6.12 ARIN Region origin ASes announcing only one prefix: 337 ARIN Region transit ASes present in the Internet Routing Table: 131 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: 159 Number of ARIN addresses announced to Internet: 72598272 Equivalent to 4 /8s, 83 /16s and 195 /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: 466 Total RIPE prefixes after maximum aggregation: 266 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 461 Unique aggregates announced from the RIPE address blocks: 292 RIPE Region origin ASes present in the Internet Routing Table: 97 RIPE Prefixes per ASN: 4.75 RIPE Region origin ASes announcing only one prefix: 36 RIPE Region transit ASes present in the Internet Routing Table: 18 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: 740864 Equivalent to 0 /8s, 11 /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: 1107 Total LACNIC prefixes after maximum aggregation: 462 LACNIC Deaggregation factor: 2.40 Prefixes being announced from the LACNIC address blocks: 1107 Unique aggregates announced from the LACNIC address blocks: 609 LACNIC Region origin ASes present in the Internet Routing Table: 144 LACNIC Prefixes per ASN: 7.69 LACNIC Region origin ASes announcing only one prefix: 49 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: 57 Number of LACNIC addresses announced to Internet: 3932672 Equivalent to 0 /8s, 60 /16s and 2 /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: 932 Total AfriNIC prefixes after maximum aggregation: 132 AfriNIC Deaggregation factor: 7.06 Prefixes being announced from the AfriNIC address blocks: 932 Unique aggregates announced from the AfriNIC address blocks: 213 AfriNIC Region origin ASes present in the Internet Routing Table: 6 AfriNIC Prefixes per ASN: 155.33 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: 1635328 Equivalent to 0 /8s, 24 /16s and 244 /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 7575 123 245 89 AARNET-AS-AP Australian Academic and Rese 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 2697 52 3 31 ERX-ERNET-AS Education and Research Netwo 9317 49 16 1 ITISNET-AS INHA UNIVERSITY, KR 132524 44 9 11 TIFR-AS Tata Institute of Fundamental Res 2907 39 96 39 SINET-AS Research Organization of Informa 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 24151 28 2 11 CNNIC-CRITICAL-AP China Internet Network 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 176 34 7 LACOE, US 2152 147 507 94 CSUNET-NW, 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 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 135 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 108 176 42 Rede Nacional de Ensino e Pesquisa, BR 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a 4270 41 17 3 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blumena 3596 37 8 4 Universidad Autonoma Metropolitana, MX 11340 37 3 18 Red Universitaria Nacional, CL 1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 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 543 80 56 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 543 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 176 34 7 LACOE, US 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 2152 147 507 94 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, US 8895 135 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 176 169 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 135 130 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 /11:1 /12:1 /13:5 /14:9 /15:22 /16:893 /17:277 /18:295 /19:362 /20:533 /21:444 /22:698 /23:801 /24:5914 /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 526 543 KENET-AS, KE 8895 130 135 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 41:187 42:4 44:2 45:28 47:1 49:8 50:3 59:1 61:1 62:3 63:4 64:18 65:1 66:24 67:40 68:2 69:19 70:2 72:7 74:15 76:39 77:7 80:5 81:1 82:4 83:1 85:17 86:5 89:1 91:9 92:2 97:1 98:2 102:1 103:171 104:75 108:2 109:7 114:14 117:61 118:2 121:10 125:3 128:59 129:29 130:91 131:27 132:58 133:4 134:89 136:198 137:35 138:57 139:4 140:33 141:3 143:12 144:22 146:49 147:29 148:187 149:11 150:36 151:7 152:131 153:3 154:23 155:60 156:131 157:18 158:31 159:20 160:4 161:11 162:12 163:47 164:14 165:48 166:1 167:10 168:113 169:6 170:81 171:1 172:3 173:7 175:25 176:8 177:6 179:11 180:8 182:1 184:1 185:9 186:3 187:17 188:2 189:3 190:1 191:4 192:559 193:14 194:31 195:5 196:137 197:330 198:266 199:114 200:207 201:34 202:179 203:246 204:308 205:50 206:82 207:127 208:63 209:84 210:123 211:3 212:122 213:2 216:34 218:21 219:1 220:7 222:1 End of report