Global R&E Routing Table Report 17:30 GMT Wed 09 Jun, 2021 Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/MARWAN/ Analysis Summary ---------------- BGP routing table entries examined: 14507 Prefixes after maximum aggregation (per Origin AS): 8400 Deaggregation factor: 1.73 Unique aggregates announced (without unneeded subnets): 9303 Total ASes present in the Internet Routing Table: 2136 Prefixes per ASN: 6.79 Origin-only ASes present in the Internet Routing Table: 1838 Origin ASes announcing only one prefix: 878 Transit ASes present in the Internet Routing Table: 298 Transit-only ASes present in the Internet Routing Table: 33 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 18 Max AS path prepend of ASN ( 5474) 11 Prefixes from unregistered ASNs in the Routing Table: 7 Number of instances of unregistered ASNs: 7 Number of 32-bit ASNs allocated by the RIRs: 36264 Number of 32-bit ASNs visible in the Routing Table: 447 Prefixes from 32-bit ASNs in the Routing Table: 1370 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: 1 Number of addresses announced to Internet: 176405280 Equivalent to 10 /8s, 131 /16s and 187 /24s Percentage of available address space announced: 4.8 Percentage of allocated address space announced: 4.8 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: 1749 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 3857 Total APNIC prefixes after maximum aggregation: 2043 APNIC Deaggregation factor: 1.89 Prefixes being announced from the APNIC address blocks: 3859 Unique aggregates announced from the APNIC address blocks: 2256 APNIC Region origin ASes present in the Internet Routing Table: 453 APNIC Prefixes per ASN: 8.52 APNIC Region origin ASes announcing only one prefix: 198 APNIC Region transit ASes present in the Internet Routing Table: 47 Average APNIC Region AS path length visible: 5.1 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 163 Number of APNIC addresses announced to Internet: 44887008 Equivalent to 2 /8s, 172 /16s and 235 /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, 131072-147769 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: 5474 Total ARIN prefixes after maximum aggregation: 3243 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 5485 Unique aggregates announced from the ARIN address blocks: 3685 ARIN Region origin ASes present in the Internet Routing Table: 851 ARIN Prefixes per ASN: 6.45 ARIN Region origin ASes announcing only one prefix: 310 ARIN Region transit ASes present in the Internet Routing Table: 116 Average ARIN Region AS path length visible: 6.0 Max ARIN Region AS path length visible: 18 Number of ARIN region 32-bit ASNs visible in the Routing Table: 104 Number of ARIN addresses announced to Internet: 70423136 Equivalent to 4 /8s, 50 /16s and 146 /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: 3150 Total RIPE prefixes after maximum aggregation: 2526 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3145 Unique aggregates announced from the RIPE address blocks: 2589 RIPE Region origin ASes present in the Internet Routing Table: 629 RIPE Prefixes per ASN: 5.00 RIPE Region origin ASes announcing only one prefix: 302 RIPE Region transit ASes present in the Internet Routing Table: 98 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 116 Number of RIPE addresses announced to Internet: 56123264 Equivalent to 3 /8s, 88 /16s and 95 /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: 913 Total LACNIC prefixes after maximum aggregation: 424 LACNIC Deaggregation factor: 2.15 Prefixes being announced from the LACNIC address blocks: 911 Unique aggregates announced from the LACNIC address blocks: 540 LACNIC Region origin ASes present in the Internet Routing Table: 122 LACNIC Prefixes per ASN: 7.47 LACNIC Region origin ASes announcing only one prefix: 49 LACNIC Region transit ASes present in the Internet Routing Table: 21 Average LACNIC Region AS path length visible: 6.1 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 42 Number of LACNIC addresses announced to Internet: 2366304 Equivalent to 0 /8s, 36 /16s and 27 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-272796 + 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: 1106 Total AfriNIC prefixes after maximum aggregation: 158 AfriNIC Deaggregation factor: 7.00 Prefixes being announced from the AfriNIC address blocks: 1105 Unique aggregates announced from the AfriNIC address blocks: 232 AfriNIC Region origin ASes present in the Internet Routing Table: 45 AfriNIC Prefixes per ASN: 24.56 AfriNIC Region origin ASes announcing only one prefix: 19 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 5.9 Max AfriNIC Region AS path length visible: 8 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 22 Number of AfriNIC addresses announced to Internet: 2601472 Equivalent to 0 /8s, 39 /16s and 178 /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 618 2155 455 SINET-AS Research Organization of Infor 7497 425 210 22 CSTNET-AS-AP Computer Network Informati 1237 191 75 137 KREONET-AS-KR KISTI, KR 7575 180 331 127 AARNET-AS-AP Australian Academic and Re 58647 176 18 2 KAGAWAU-AS Kagawa University, JP 4538 168 4192 72 ERX-CERNET-BKB China Education and Rese 55824 128 19 22 NKN-CORE-NW NKN Core Network, IN 1659 55 1450 34 ERX-TANET-ASN1 Taiwan Academic Network 2697 55 3 31 ERX-ERNET-AS Education and Research Net 132524 48 9 11 TIFR-AS Tata Institute of Fundamental R Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 376 226 180 149 RISQ-AS, CA 5786 201 16 1 UPRENET, PR 2152 160 507 92 CSUNET-NW, US 18558 137 18 4 NETBLK-RCOEK, US 270 117 297 87 AS270, US 2920 112 34 6 LACOE, US 21976 86 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 22742 66 51 32 CT-EDU-NET, US 15296 65 5 54 CYBERA, CA Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 786 187 1787 185 JANET Jisc Services Limited, GB 8895 172 24 4 ISU Internet Services Unit (ISU), SA 559 116 550 107 SWITCH Peering requests: (peering@switc 1103 96 1520 84 SURFNET-NL SURFnet, The Netherlands, NL 137 82 677 77 ASGARR Consortium GARR, IT 2200 66 647 61 FR-RENATER Reseau National de telecommu 2614 62 32 59 ROEDUNET, RO 1930 56 82 51 RCCN Fundacao para a Ciencia e a Tecnol 1653 52 151 49 SUNET SUNET Swedish University Network, Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 120 120 47 Associacao Rede Nacional de Ensino e Pe 11340 94 24 54 Red Universitaria Nacional, CL 1251 66 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO 2715 51 53 33 Fundacao Carlos Chagas Filho de Amparo 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 41 3 15 CEDIA, EC 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA 20191 31 16 1 Pontificia Universidad Catolica de Chil 28571 27 26 15 UNIVERSIDADE DE SAO PAULO, BR 271640 27 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 409 82 3 KENET-AS, KE 2018 320 319 72 TENET-1, ZA 327687 137 28 3 RENU, UG 8094 55 48 4 PUKNET, ZA 327700 30 16 1 MoRENet, MZ 37215 29 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37501 11 49 6 UOFS, ZA 37182 10 8 1 TERNET, TZ 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 618 2155 455 SINET-AS Research Organization of Infor 7497 425 210 22 CSTNET-AS-AP Computer Network Informati 36914 409 82 3 KENET-AS, KE 2018 320 319 72 TENET-1, ZA 680 273 1996 235 DFN Verein zur Foerderung eines Deutsch 376 226 180 149 RISQ-AS, CA 5786 201 16 1 UPRENET, PR 1237 191 75 137 KREONET-AS-KR KISTI, KR 786 187 1787 185 JANET Jisc Services Limited, GB 7575 180 331 127 AARNET-AS-AP Australian Academic and Re Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 409 406 KENET-AS, KE 7497 425 403 CSTNET-AS-AP Computer Network Information Cente 2018 320 248 TENET-1, ZA 5786 201 200 UPRENET, PR 58647 176 174 KAGAWAU-AS Kagawa University, JP 8895 172 168 ISU Internet Services Unit (ISU), SA 327687 137 134 RENU, UG 18558 137 133 NETBLK-RCOEK, US 55824 128 106 NKN-CORE-NW NKN Core Network, IN 2920 112 106 LACOE, US Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 36843 UNALLOCATED 64.56.80.0/23 11096 FLORIDANET, US 36843 UNALLOCATED 108.59.20.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 131.91.183.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 146.201.218.0/24 11096 FLORIDANET, US 36843 UNALLOCATED 146.201.219.0/24 11096 FLORIDANET, US 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 328439 UNALLOCATED 164.160.240.0/20 327992 GHANAIAN-ACADEMIC-AND-RESEAR Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-badAS Prefixes from private and non-routed address space (Global) ----------------------------------------------------------- Prefix Origin AS Description 0.0.0.0/0 36884 MAROCCONNECT, MA Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-dsua Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.240.0/20 Origin: 328439 UNASSIGNED Transit: 327992 GHANAIAN-ACADEMIC-AND-RESEARCH-NETWORK, Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:0 /9:1 /10:2 /11:1 /12:10 /13:19 /14:35 /15:103 /16:1671 /17:278 /18:298 /19:470 /20:652 /21:746 /22:1150 /23:1194 /24:7688 /25:78 /26:59 /27:51 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 383 409 KENET-AS, KE 8895 167 172 ISU Internet Services Unit (ISU), SA 23024 53 56 OCDE, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 25977 29 32 HCCS, US 200521 26 42 SEAP-AGE, ES 327700 26 30 MoRENet, MZ 1916 24 120 Associacao Rede Nacional de Ensino e Pesquisa, 2614 24 62 ROEDUNET, RO 37215 23 29 MAREN, MW Complete listing at https://bgp.nsrc.org/REN/MARWAN/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1 5:15 8:2 12:1 14:84 24:2 31:3 37:6 38:3 41:231 42:9 44:4 45:33 46:6 49:10 58:4 59:10 60:4 61:3 62:6 63:4 64:13 66:6 67:36 68:1 69:13 71:1 72:11 74:8 76:6 77:5 78:3 79:10 80:13 81:29 82:2 83:7 84:3 85:29 86:9 87:1 88:1 89:10 91:47 93:11 94:2 95:3 96:5 101:3 102:8 103:208 104:9 106:1 108:3 109:8 110:3 111:16 112:4 114:18 116:4 117:2 118:17 119:18 121:27 122:8 123:8 124:40 125:1 128:66 129:30 130:82 131:84 132:49 133:137 134:83 136:191 137:117 138:11 139:4 140:30 141:2 142:40 143:34 144:27 146:121 147:26 148:7 149:12 150:17 151:3 152:65 153:6 154:24 155:33 156:64 157:25 158:41 159:113 160:26 161:15 162:8 163:60 164:35 165:14 166:1 167:15 168:96 169:9 170:37 172:1 173:2 175:20 176:8 177:4 178:1 179:6 180:21 182:5 184:6 185:35 186:2 187:1 188:12 190:67 191:25 192:1184 193:180 194:111 195:61 196:169 197:197 198:332 199:184 200:161 201:7 202:381 203:283 204:311 205:88 206:144 207:119 208:47 209:94 210:174 211:2 212:165 213:4 216:30 217:16 218:5 219:13 220:12 222:4 223:2 End of report