IPv4 R&E Routing Table Report 19:05 GMT Mon 26 Aug, 2024 IPv4 BGP Table (R&E) as seen at BDREN. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/ Analysis Summary ---------------- BGP routing table entries examined: 19543 Prefixes after maximum aggregation (per Origin AS): 10692 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 11757 Number of IPv4 prefixes with a valid ROA: 6321 Number of IPv4 prefixes with an invalid ROA: 18 Number of IPv4 prefixes with no ROA: 13204 Total ASes present in the Internet Routing Table: 2794 Prefixes per ASN: 6.99 Origin-only ASes present in the Internet Routing Table: 2413 Origin ASes announcing only one prefix: 1071 Transit ASes present in the Internet Routing Table: 381 Transit-only ASes present in the Internet Routing Table: 74 Paths with bogon ASNs present in the IPv4 Routing Table: 3 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 12 Max AS path prepend of ASN (136911) 11 Prefixes from unregistered ASNs in the Routing Table: 4 Number of instances of unregistered ASNs: 4 Number of 32-bit ASNs allocated by the RIRs: 45245 Number of 32-bit ASNs visible in the Routing Table: 677 Prefixes from 32-bit ASNs in the Routing Table: 1907 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: 7 Number of addresses announced to Internet: 202517504 Equivalent to 12 /8s, 18 /16s and 44 /24s Percentage of available address space announced: 5.5 Percentage of allocated address space announced: 5.5 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: 2287 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4910 Total APNIC prefixes after maximum aggregation: 2340 APNIC Deaggregation factor: 2.10 Prefixes being announced from the APNIC address blocks: 4909 Unique aggregates announced from the APNIC address blocks: 2665 APNIC Region origin ASes present in the Internet Routing Table: 587 APNIC Prefixes per ASN: 8.36 APNIC Region origin ASes announcing only one prefix: 249 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 12 Number of APNIC region 32-bit ASNs visible in the Routing Table: 234 Number of APNIC addresses announced to Internet: 45808384 Equivalent to 2 /8s, 186 /16s and 251 /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: 8598 Total ARIN prefixes after maximum aggregation: 4840 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 8609 Unique aggregates announced from the ARIN address blocks: 5309 ARIN Region origin ASes present in the Internet Routing Table: 1279 ARIN Prefixes per ASN: 6.73 ARIN Region origin ASes announcing only one prefix: 452 ARIN Region transit ASes present in the Internet Routing Table: 160 Average ARIN Region AS path length visible: 5.6 Max ARIN Region AS path length visible: 11 Number of ARIN region 32-bit ASNs visible in the Routing Table: 209 Number of ARIN addresses announced to Internet: 90417152 Equivalent to 5 /8s, 99 /16s and 168 /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: 3524 Total RIPE prefixes after maximum aggregation: 2821 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3512 Unique aggregates announced from the RIPE address blocks: 2864 RIPE Region origin ASes present in the Internet Routing Table: 659 RIPE Prefixes per ASN: 5.33 RIPE Region origin ASes announcing only one prefix: 293 RIPE Region transit ASes present in the Internet Routing Table: 103 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 11 Number of RIPE region 32-bit ASNs visible in the Routing Table: 153 Number of RIPE addresses announced to Internet: 59601408 Equivalent to 3 /8s, 141 /16s and 114 /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: 1372 Total LACNIC prefixes after maximum aggregation: 533 LACNIC Deaggregation factor: 2.57 Prefixes being announced from the LACNIC address blocks: 1372 Unique aggregates announced from the LACNIC address blocks: 717 LACNIC Region origin ASes present in the Internet Routing Table: 161 LACNIC Prefixes per ASN: 8.52 LACNIC Region origin ASes announcing only one prefix: 61 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 11 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69 Number of LACNIC addresses announced to Internet: 4260608 Equivalent to 0 /8s, 65 /16s and 3 /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: 1135 Total AfriNIC prefixes after maximum aggregation: 154 AfriNIC Deaggregation factor: 7.37 Prefixes being announced from the AfriNIC address blocks: 1134 Unique aggregates announced from the AfriNIC address blocks: 196 AfriNIC Region origin ASes present in the Internet Routing Table: 32 AfriNIC Prefixes per ASN: 35.44 AfriNIC Region origin ASes announcing only one prefix: 16 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 5.5 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12 Number of AfriNIC addresses announced to Internet: 2418944 Equivalent to 0 /8s, 36 /16s and 233 /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 2907 587 2169 464 SINET-AS Research Organization of Informa 7497 447 180 24 CSTNET-AS-AP Computer Network Information 1237 190 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 4758 169 16 1 NICNET-VSNL-BOARDER-AP National Informati 55824 154 20 37 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 500 507 99 CENIC-2152, US 2920 229 44 49 LACOE, US 668 204 632 173 DNIC-AS-00668, US 376 199 162 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR 18558 141 18 5 NETBLK-RCOEK, US 81 133 517 33 NCREN, US 23024 96 7 21 OCDE, US 21976 87 50 17 NJEDGE-NET, US 237 85 541 50 MERIT-AS-14, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1899 250 DFN Verein zur Foerderung eines Deutschen 786 184 1767 181 JANET Jisc Services Limited, GB 8895 136 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch.c 1103 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 90 26 70 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 76 26 66 NIKS, RU Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 160 176 42 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 49 5 17 CEDIA, EC 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 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 Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 519 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 327700 48 16 1 MoRENet, MZ 8094 47 48 18 PUKNET, ZA 37182 38 8 1 TERNET, TZ 6879 24 2 9 ENSTINET-, EG 37661 13 8 5 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA 37215 10 8 1 MAREN, MW 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 587 2169 464 SINET-AS Research Organization of Informa 36914 519 82 3 KENET-AS, KE 2152 500 507 99 CENIC-2152, US 7497 447 180 24 CSTNET-AS-AP Computer Network Information 2018 381 319 71 TENET-1, ZA 680 283 1899 250 DFN Verein zur Foerderung eines Deutschen 2920 229 44 49 LACOE, US 668 204 632 173 DNIC-AS-00668, US 376 199 162 149 RISQ-AS, CA 5786 199 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 519 516 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2152 500 401 CENIC-2152, US 2018 381 310 TENET-1, ZA 5786 199 198 UPRENET, PR 2920 229 180 LACOE, US 58647 180 178 KAGAWAU-AS Kagawa University, JP 4758 169 168 NICNET-VSNL-BOARDER-AP National Informatics Cen 18558 141 136 NETBLK-RCOEK, US 8895 136 131 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and 65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US 65200 PRIVATE 220.247.225.0/24 132124 ICTA-LK Information and Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U 202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH 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 Complete listing at https://bgp.nsrc.org/REN/BDREN/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 /11:2 /12:10 /13:18 /14:33 /15:118 /16:1994 /17:424 /18:447 /19:595 /20:890 /21:877 /22:1470 /23:1615 /24:11048 /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 496 519 KENET-AS, KE 8895 131 136 ISU Internet Services Unit ISU, SA 2152 58 500 CENIC-2152, US 327700 42 48 MoRENet, MZ 23024 38 96 OCDE, US 37182 37 38 TERNET, TZ 32440 36 63 LONI, US 3267 35 76 NIKS, RU 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 5:15 6:4 8:2 12:1 14:92 23:7 24:3 31:1 35:3 37:8 38:10 40:1 41:262 42:10 44:5 45:49 46:5 47:1 49:10 50:5 52:1 58:1 59:19 60:6 61:3 62:7 63:35 64:45 65:1 66:51 67:43 68:12 69:18 70:2 71:1 72:7 74:53 76:42 77:10 78:3 79:10 80:13 81:24 82:6 83:7 84:5 85:33 86:5 87:1 89:11 91:44 92:2 93:13 94:2 95:1 96:5 97:2 98:2 101:1 102:6 103:336 104:79 107:2 108:8 109:4 111:15 113:2 114:24 116:9 117:61 118:34 119:23 121:27 122:8 123:8 124:42 125:5 128:84 129:34 130:96 131:62 132:69 133:154 134:109 136:199 137:90 138:57 139:6 140:36 141:3 142:24 143:24 144:26 145:2 146:135 147:62 148:194 149:13 150:40 151:9 152:135 153:15 154:37 155:63 156:133 157:14 158:35 159:121 160:30 161:17 162:24 163:63 164:167 165:47 166:1 167:30 168:119 169:6 170:93 171:1 172:2 173:6 175:17 177:5 179:14 180:15 181:1 182:9 184:3 185:51 186:3 187:20 188:13 189:3 190:18 191:13 192:1393 193:268 194:136 195:72 196:149 197:310 198:555 199:275 200:288 201:39 202:636 203:435 204:407 205:170 206:211 207:309 208:67 209:149 210:221 211:14 212:162 213:6 214:8 216:90 217:9 218:22 219:5 220:18 222:2 223:15 End of report