IPv4 R&E Routing Table Report 18:50 GMT Fri 26 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: 8589 Prefixes after maximum aggregation (per Origin AS): 4179 Deaggregation factor: 2.06 Unique aggregates announced (without unneeded subnets): 4759 Number of IPv4 prefixes with a valid ROA: 2481 Number of IPv4 prefixes with an invalid ROA: 3 Number of IPv4 prefixes with no ROA: 6105 Total ASes present in the Internet Routing Table: 1340 Prefixes per ASN: 6.41 Origin-only ASes present in the Internet Routing Table: 1141 Origin ASes announcing only one prefix: 453 Transit ASes present in the Internet Routing Table: 199 Transit-only ASes present in the Internet Routing Table: 52 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 5.1 Max AS path length visible: 16 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: 45036 Number of 32-bit ASNs visible in the Routing Table: 260 Prefixes from 32-bit ASNs in the Routing Table: 771 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: 85353216 Equivalent to 5 /8s, 22 /16s and 99 /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: 1421 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 505 Total APNIC prefixes after maximum aggregation: 322 APNIC Deaggregation factor: 1.57 Prefixes being announced from the APNIC address blocks: 501 Unique aggregates announced from the APNIC address blocks: 384 APNIC Region origin ASes present in the Internet Routing Table: 131 APNIC Prefixes per ASN: 3.82 APNIC Region origin ASes announcing only one prefix: 51 APNIC Region transit ASes present in the Internet Routing Table: 28 Average APNIC Region AS path length visible: 7.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 34 Number of APNIC addresses announced to Internet: 7348224 Equivalent to 0 /8s, 112 /16s and 32 /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: 5668 Total ARIN prefixes after maximum aggregation: 3046 ARIN Deaggregation factor: 1.86 Prefixes being announced from the ARIN address blocks: 5673 Unique aggregates announced from the ARIN address blocks: 3325 ARIN Region origin ASes present in the Internet Routing Table: 929 ARIN Prefixes per ASN: 6.11 ARIN Region origin ASes announcing only one prefix: 325 ARIN Region transit ASes present in the Internet Routing Table: 118 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: 156 Number of ARIN addresses announced to Internet: 72112384 Equivalent to 4 /8s, 76 /16s and 89 /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: 445 Total RIPE prefixes after maximum aggregation: 248 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 442 Unique aggregates announced from the RIPE address blocks: 272 RIPE Region origin ASes present in the Internet Routing Table: 88 RIPE Prefixes per ASN: 5.02 RIPE Region origin ASes announcing only one prefix: 34 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: 539136 Equivalent to 0 /8s, 8 /16s and 58 /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: 1037 Total LACNIC prefixes after maximum aggregation: 428 LACNIC Deaggregation factor: 2.42 Prefixes being announced from the LACNIC address blocks: 1037 Unique aggregates announced from the LACNIC address blocks: 564 LACNIC Region origin ASes present in the Internet Routing Table: 133 LACNIC Prefixes per ASN: 7.80 LACNIC Region origin ASes announcing only one prefix: 41 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: 52 Number of LACNIC addresses announced to Internet: 3710208 Equivalent to 0 /8s, 56 /16s and 157 /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: 933 Total AfriNIC prefixes after maximum aggregation: 134 AfriNIC Deaggregation factor: 6.96 Prefixes being announced from the AfriNIC address blocks: 933 Unique aggregates announced from the AfriNIC address blocks: 212 AfriNIC Region origin ASes present in the Internet Routing Table: 6 AfriNIC Prefixes per ASN: 155.50 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: 1635072 Equivalent to 0 /8s, 24 /16s and 243 /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 1659 34 1450 34 ERX-TANET-ASN1 Taiwan Academic Network TA 3363 24 19 7 HKUST-AS-HK Hong Kong University of Scien 7650 24 4 9 EDUHK-AS-AP The Education University of H 7577 16 1 6 VTC-AS-AP Vocational Training Council Hon 38142 16 1 1 UNAIR-AS-ID Universitas Airlangga, ID 4605 14 18 7 ERX-HKBUNET Hong Kong Baptist University, 7651 13 5 9 LINGNAN-AS-AP Lingnan University, HK 23905 11 3 11 VUW-AS-AP Victoria University of Wellingt 38345 11 1 5 ZDNS Internet Domain Name System Beijing 9432 9 16 2 CANTERBURY-AS-AP University of Canterbury 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 150 507 97 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 84 543 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 NIKS, 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 80 175 41 Rede Nacional de Ensino e Pesquisa, BR 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 48 16 2 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 544 80 58 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 544 80 58 KENET-AS, KE 2018 382 319 71 TENET-1, ZA 5786 199 16 1 UPRENET, PR 2920 176 34 7 LACOE, US 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 2152 150 507 97 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 199 198 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 /11:1 /12:1 /13:5 /14:9 /15:20 /16:777 /17:264 /18:281 /19:304 /20:454 /21:361 /22:568 /23:639 /24:4903 /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 527 544 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 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 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) ---------------------------------------------- 8:2 12:1 14:2 23:3 24:1 35:3 38:9 41:186 44:1 45:26 47:1 49:4 50:3 61:1 62:3 63:4 64:18 65:1 66:24 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 98:2 102:1 103:60 104:75 108:2 109:6 128:27 129:29 130:88 131:27 132:57 134:63 136:198 137:35 138:49 139:4 140:26 141:3 143:12 144:1 146:14 147:19 148:187 149:11 150:26 151:7 152:131 153:3 154:23 155:59 156:127 157:15 158:6 159:20 160:4 161:11 162:11 163:48 164:14 165:10 166:1 167:6 168:113 169:6 170:87 171:1 172:3 173:6 175:29 176:8 177:5 179:10 182:8 184:1 185:7 186:3 187:17 188:2 189:3 190:1 191:3 192:506 193:12 194:29 195:5 196:133 197:332 198:258 199:108 200:199 201:34 202:88 203:32 204:297 205:48 206:79 207:120 208:63 209:79 210:23 212:123 213:2 216:32 219:1 End of report