IPv4 R&E Routing Table Report 21:05 GMT Tue 01 Feb, 2022 BGP Table (R&E) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Brisbane/ Analysis Summary ---------------- BGP routing table entries examined: 17272 Prefixes after maximum aggregation (per Origin AS): 10005 Deaggregation factor: 1.73 Unique aggregates announced (without unneeded subnets): 11103 Number of IPv4 prefixes with a valid ROA: 3564 Number of IPv4 prefixes with an invalid ROA: 68 Number of IPv4 prefixes with no ROA: 13640 Total ASes present in the Internet Routing Table: 2611 Prefixes per ASN: 6.62 Origin-only ASes present in the Internet Routing Table: 2249 Origin ASes announcing only one prefix: 1042 Transit ASes present in the Internet Routing Table: 362 Transit-only ASes present in the Internet Routing Table: 56 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 14 Max AS path prepend of ASN ( 10497) 11 Prefixes from unregistered ASNs in the Routing Table: 3 Number of instances of unregistered ASNs: 3 Number of 32-bit ASNs allocated by the RIRs: 38451 Number of 32-bit ASNs visible in the Routing Table: 583 Prefixes from 32-bit ASNs in the Routing Table: 1621 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: 0 Number of addresses announced to Internet: 200605440 Equivalent to 11 /8s, 244 /16s and 255 /24s Percentage of available address space announced: 5.4 Percentage of allocated address space announced: 5.4 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: 1696 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4545 Total APNIC prefixes after maximum aggregation: 2252 APNIC Deaggregation factor: 2.02 Prefixes being announced from the APNIC address blocks: 4551 Unique aggregates announced from the APNIC address blocks: 2577 APNIC Region origin ASes present in the Internet Routing Table: 542 APNIC Prefixes per ASN: 8.40 APNIC Region origin ASes announcing only one prefix: 234 APNIC Region transit ASes present in the Internet Routing Table: 63 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 207 Number of APNIC addresses announced to Internet: 45565184 Equivalent to 2 /8s, 183 /16s and 69 /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: 7121 Total ARIN prefixes after maximum aggregation: 4243 ARIN Deaggregation factor: 1.68 Prefixes being announced from the ARIN address blocks: 7129 Unique aggregates announced from the ARIN address blocks: 4704 ARIN Region origin ASes present in the Internet Routing Table: 1125 ARIN Prefixes per ASN: 6.34 ARIN Region origin ASes announcing only one prefix: 397 ARIN Region transit ASes present in the Internet Routing Table: 149 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 14 Number of ARIN region 32-bit ASNs visible in the Routing Table: 152 Number of ARIN addresses announced to Internet: 90130176 Equivalent to 5 /8s, 95 /16s and 71 /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: 3381 Total RIPE prefixes after maximum aggregation: 2760 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3370 Unique aggregates announced from the RIPE address blocks: 2767 RIPE Region origin ASes present in the Internet Routing Table: 667 RIPE Prefixes per ASN: 5.05 RIPE Region origin ASes announcing only one prefix: 319 RIPE Region transit ASes present in the Internet Routing Table: 100 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: 57969920 Equivalent to 3 /8s, 116 /16s and 141 /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: 1405 Total LACNIC prefixes after maximum aggregation: 554 LACNIC Deaggregation factor: 2.54 Prefixes being announced from the LACNIC address blocks: 1405 Unique aggregates announced from the LACNIC address blocks: 752 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 8.46 LACNIC Region origin ASes announcing only one prefix: 69 LACNIC Region transit ASes present in the Internet Routing Table: 23 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 12 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64 Number of LACNIC addresses announced to Internet: 4188672 Equivalent to 0 /8s, 63 /16s and 234 /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: 817 Total AfriNIC prefixes after maximum aggregation: 193 AfriNIC Deaggregation factor: 4.23 Prefixes being announced from the AfriNIC address blocks: 817 Unique aggregates announced from the AfriNIC address blocks: 303 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 15.71 AfriNIC Region origin ASes announcing only one prefix: 23 AfriNIC Region transit ASes present in the Internet Routing Table: 12 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26 Number of AfriNIC addresses announced to Internet: 2751488 Equivalent to 0 /8s, 41 /16s and 252 /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 570 2156 456 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 7575 348 330 125 AARNET-AS-AP Australian Academic and Re 1237 186 74 135 KREONET-AS-KR KISTI, KR 58647 165 18 2 KAGAWAU-AS Kagawa University, JP 55824 130 19 23 NKN-CORE-NW NKN Core Network, IN 4538 128 4192 72 ERX-CERNET-BKB China Education and Rese 24313 80 16 1 NSW-DET-AS NSW Department of Education, 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 1659 54 1450 34 ERX-TANET-ASN1 Taiwan Academic Network Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 212 702 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 2152 147 507 87 CSUNET-NW, US 18558 136 18 4 NETBLK-RCOEK, US 2920 108 34 6 LACOE, US 21976 85 51 18 NJEDGE-NET, US 1736 80 16 1 MU-AS, US 3 76 496 15 MIT-GATEWAYS, US 3477 74 71 43 NOAA-NWAVE, US Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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 143 24 4 ISU Internet Services Unit ISU, SA 559 115 550 106 SWITCH Peering requests: peering@switch 1103 97 1520 84 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 32 55 ROEDUNET, RO 1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 171 207 41 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 19611 45 17 2 Associacao Antonio Vieira - Unisinos, B 4270 44 16 1 Red de Interconexion Universitaria, AR 61468 40 3 14 CEDIA, EC 28614 38 2 2 Fundacao Universidade Regional de Blume 263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 2018 349 319 74 TENET-1, ZA 36914 131 81 6 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 36 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 13 8 1 TERNET, TZ 37074 11 8 2 UG-AS, GH 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 570 2156 456 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 349 319 74 TENET-1, ZA 7575 348 330 125 AARNET-AS-AP Australian Academic and Re 680 279 1950 245 DFN Verein zur Foerderung eines Deutsch 668 212 702 180 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 200 16 1 UPRENET, PR 786 186 1774 183 JANET Jisc Services Limited, GB 1237 186 74 135 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 7497 432 408 CSTNET-AS-AP Computer Network Information Cente 2018 349 275 TENET-1, ZA 7575 348 223 AARNET-AS-AP Australian Academic and Research N 5786 200 199 UPRENET, PR 58647 165 163 KAGAWAU-AS Kagawa University, JP 8895 143 139 ISU Internet Services Unit ISU, SA 18558 136 132 NETBLK-RCOEK, US 1916 171 130 Rede Nacional de Ensino e Pesquisa, BR 36914 131 125 KENET-AS, KE 55824 130 107 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-badAS 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 /13:17 /14:34 /15:122 /16:1949 /17:387 /18:432 /19:539 /20:823 /21:881 /22:1355 /23:1448 /24:9271 /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 8895 138 143 ISU Internet Services Unit ISU, SA 36914 123 131 KENET-AS, KE 23024 53 56 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 327700 30 34 MoRENet, MZ 32440 29 44 LONI, US 200521 29 49 SEAP-AGE, ES 30220 25 26 SWTELCOOP, US Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:4 5:15 6:4 8:1 12:1 14:85 18:42 23:7 24:2 31:6 37:6 38:9 41:52 42:8 44:5 45:29 46:6 47:1 49:10 50:1 52:1 59:11 60:4 61:3 62:6 63:4 64:26 66:33 67:43 68:8 69:20 72:12 74:19 76:33 77:7 78:3 79:10 80:16 81:28 82:5 83:6 84:6 85:33 86:4 87:1 88:1 89:10 91:45 92:1 93:19 94:4 95:5 96:5 97:1 98:2 101:6 102:13 103:292 104:14 106:1 107:1 108:5 109:10 110:3 111:20 112:4 113:1 114:23 116:5 117:61 118:19 119:22 121:26 122:8 124:39 125:3 128:101 129:36 130:93 131:83 132:55 133:139 134:100 136:194 137:212 138:21 139:14 140:50 141:2 142:40 143:31 144:25 145:2 146:125 147:33 148:191 149:13 150:40 151:6 152:71 153:86 154:25 155:51 156:67 157:26 158:42 159:116 160:25 161:17 162:26 163:66 164:43 165:55 166:1 167:16 168:109 169:9 170:50 171:1 172:2 173:1 175:31 176:8 177:13 178:1 179:11 180:21 181:1 182:8 184:13 185:37 186:3 187:18 188:13 189:5 190:33 191:33 192:1271 193:248 194:133 195:91 196:147 197:111 198:420 199:263 200:248 201:40 202:432 203:333 204:310 205:156 206:166 207:164 208:59 209:105 210:185 211:13 212:173 213:4 214:7 216:56 217:15 218:25 219:6 220:17 222:5 223:3 End of report