Global R&E Routing Table Report 18:05 GMT Mon 20 Dec, 2021 BGP Table (R&E) as seen at WACREN. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/WACREN/ Analysis Summary ---------------- BGP routing table entries examined: 18198 Prefixes after maximum aggregation (per Origin AS): 10247 Deaggregation factor: 1.78 Unique aggregates announced (without unneeded subnets): 11351 Total ASes present in the Internet Routing Table: 2678 Prefixes per ASN: 6.80 Origin-only ASes present in the Internet Routing Table: 2311 Origin ASes announcing only one prefix: 1071 Transit ASes present in the Internet Routing Table: 367 Transit-only ASes present in the Internet Routing Table: 45 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 16 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 2 Number of instances of unregistered ASNs: 2 Number of 32-bit ASNs allocated by the RIRs: 38132 Number of 32-bit ASNs visible in the Routing Table: 593 Prefixes from 32-bit ASNs in the Routing Table: 1653 Number of bogon 32-bit ASNs visible in the Routing Table: 0 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 2 Number of addresses announced to Internet: 202913472 Equivalent to 12 /8s, 24 /16s and 54 /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: 99.5 Total number of prefixes smaller than registry allocations: 2079 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4566 Total APNIC prefixes after maximum aggregation: 2264 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4568 Unique aggregates announced from the APNIC address blocks: 2526 APNIC Region origin ASes present in the Internet Routing Table: 538 APNIC Prefixes per ASN: 8.49 APNIC Region origin ASes announcing only one prefix: 231 APNIC Region transit ASes present in the Internet Routing Table: 57 Average APNIC Region AS path length visible: 5.0 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 201 Number of APNIC addresses announced to Internet: 45921088 Equivalent to 2 /8s, 188 /16s and 179 /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, 131072-151865 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: 7743 Total ARIN prefixes after maximum aggregation: 4399 ARIN Deaggregation factor: 1.76 Prefixes being announced from the ARIN address blocks: 7757 Unique aggregates announced from the ARIN address blocks: 4913 ARIN Region origin ASes present in the Internet Routing Table: 1186 ARIN Prefixes per ASN: 6.54 ARIN Region origin ASes announcing only one prefix: 428 ARIN Region transit ASes present in the Internet Routing Table: 159 Average ARIN Region AS path length visible: 5.2 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: 92092064 Equivalent to 5 /8s, 125 /16s and 54 /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, 393216-401308 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: 3461 Total RIPE prefixes after maximum aggregation: 2788 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3445 Unique aggregates announced from the RIPE address blocks: 2781 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.05 RIPE Region origin ASes announcing only one prefix: 322 RIPE Region transit ASes present in the Internet Routing Table: 103 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 14 Number of RIPE region 32-bit ASNs visible in the Routing Table: 134 Number of RIPE addresses announced to Internet: 58156224 Equivalent to 3 /8s, 119 /16s and 100 /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 196608-213403 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: 1530 Total LACNIC prefixes after maximum aggregation: 610 LACNIC Deaggregation factor: 2.51 Prefixes being announced from the LACNIC address blocks: 1530 Unique aggregates announced from the LACNIC address blocks: 839 LACNIC Region origin ASes present in the Internet Routing Table: 178 LACNIC Prefixes per ASN: 8.60 LACNIC Region origin ASes announcing only one prefix: 70 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 5.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 76 Number of LACNIC addresses announced to Internet: 4066336 Equivalent to 0 /8s, 62 /16s and 12 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 896 Total AfriNIC prefixes after maximum aggregation: 184 AfriNIC Deaggregation factor: 4.87 Prefixes being announced from the AfriNIC address blocks: 896 Unique aggregates announced from the AfriNIC address blocks: 290 AfriNIC Region origin ASes present in the Internet Routing Table: 47 AfriNIC Prefixes per ASN: 19.06 AfriNIC Region origin ASes announcing only one prefix: 20 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 7 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2677248 Equivalent to 0 /8s, 40 /16s and 218 /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 624 2157 458 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 1237 188 74 135 KREONET-AS-KR KISTI, KR 4538 178 4192 72 ERX-CERNET-BKB China Education and Rese 7575 177 330 123 AARNET-AS-AP Australian Academic and Re 58647 177 18 2 KAGAWAU-AS Kagawa University, JP 55824 129 19 23 NKN-CORE-NW NKN Core Network, IN 4621 80 37 10 UNINET-AS-AP UNINET-, TH 4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 7896 251 51 7 NU-AS, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 145 507 85 CSUNET-NW, US 18558 134 18 4 NETBLK-RCOEK, US 270 119 329 88 AS270, US 2920 111 34 6 LACOE, US 21976 87 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 77 496 15 MIT-GATEWAYS, US Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 177 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 553 72 449 72 BELWUE BelWue-Koordination, DE 2200 67 647 61 FR-RENATER Reseau National de telecommu 2614 58 33 56 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 203 207 42 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 94 24 54 Red Universitaria Nacional, CL 1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo 52286 54 4 31 Columbus Networks Guatemala, GT 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 61468 45 3 15 CEDIA, EC 4270 43 16 1 Red de Interconexion Universitaria, AR 28614 38 2 2 Fundacao Universidade Regional de Blume Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 345 319 74 TENET-1, ZA 36914 204 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327700 43 16 1 MoRENet, MZ 327687 37 28 3 RENU, UG 6879 24 2 9 ENSTINET-, EG 37074 13 8 2 UG-AS, GH 37182 13 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 624 2157 458 SINET-AS Research Organization of Infor 7497 430 182 24 CSTNET-AS-AP Computer Network Informati 2018 345 319 74 TENET-1, ZA 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 7896 251 51 7 NU-AS, US 36914 204 82 3 KENET-AS, KE 376 203 178 152 RISQ-AS, CA 1916 203 207 42 Rede Nacional de Ensino e Pesquisa, BR 5786 200 16 1 UPRENET, PR 1237 188 74 135 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 430 406 CSTNET-AS-AP Computer Network Information Cente 2018 345 271 TENET-1, ZA 7896 251 244 NU-AS, US 36914 204 201 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 177 175 KAGAWAU-AS Kagawa University, JP 8895 177 173 ISU Internet Services Unit ISU, SA 1916 203 161 Rede Nacional de Ensino e Pesquisa, BR 18558 134 130 NETBLK-RCOEK, US 4538 178 106 ERX-CERNET-BKB China Education and Research Net Complete listing at https://bgp.nsrc.org/REN/WACREN/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US Complete listing at https://bgp.nsrc.org/REN/WACREN/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 192.31.196.0/24 Origin: 112 UNASSIGNED 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL 192.88.99.0/24 Transit: 2603 NORDUNET, DK Complete listing at https://bgp.nsrc.org/REN/WACREN/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 /10:2 /11:1 /12:10 /13:18 /14:35 /15:122 /16:1983 /17:384 /18:429 /19:556 /20:844 /21:872 /22:1403 /23:1520 /24:9814 /25:80 /26:68 /27:53 /28:3 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 190 204 KENET-AS, KE 8895 172 177 ISU Internet Services Unit ISU, SA 23024 53 56 OCDE, US 327700 37 43 MoRENet, MZ 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 27609 29 45 USC-UNIVERSITY-HOSPITAL, US 32440 29 44 LONI, US 40326 29 33 ECKERD-COLLEGE, US Complete listing at https://bgp.nsrc.org/REN/WACREN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 8:2 12:1 14:84 18:42 23:9 24:3 31:6 37:6 38:9 40:1 41:124 42:13 44:5 45:48 46:6 47:1 49:8 50:1 52:1 58:7 59:4 60:4 61:3 62:7 63:34 64:46 66:36 67:43 68:8 69:20 71:1 72:10 74:20 76:33 77:7 78:3 79:10 80:17 81:27 82:5 83:7 84:4 85:33 86:6 87:1 88:1 89:10 91:47 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:8 102:13 103:260 104:12 106:1 108:8 109:9 110:3 111:16 112:4 114:23 116:5 117:61 119:21 121:27 123:8 124:39 125:4 128:85 129:174 130:93 131:81 132:58 133:139 134:97 136:192 137:79 138:8 139:5 140:36 141:2 142:41 143:35 144:52 145:2 146:126 147:57 148:159 149:13 150:36 151:6 152:71 153:11 154:25 155:51 156:67 157:26 158:42 159:117 160:25 161:16 162:20 163:62 164:46 165:54 166:2 167:16 168:162 169:10 170:53 171:1 172:2 173:2 175:29 176:8 177:10 178:1 179:11 180:21 181:12 182:6 184:7 185:40 186:3 187:18 188:13 189:3 190:50 191:37 192:1404 193:255 194:141 195:93 196:145 197:116 198:456 199:245 200:256 201:39 202:598 203:406 204:320 205:167 206:179 207:166 208:55 209:109 210:181 211:14 212:173 213:5 216:86 217:14 218:25 219:14 220:17 222:5 223:2 End of report