IPv4 R&E Routing Table Report 21:05 GMT Mon 21 Mar, 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: 17197 Prefixes after maximum aggregation (per Origin AS): 9910 Deaggregation factor: 1.74 Unique aggregates announced (without unneeded subnets): 10969 Number of IPv4 prefixes with a valid ROA: 3607 Number of IPv4 prefixes with an invalid ROA: 67 Number of IPv4 prefixes with no ROA: 13523 Total ASes present in the Internet Routing Table: 2557 Prefixes per ASN: 6.73 Origin-only ASes present in the Internet Routing Table: 2206 Origin ASes announcing only one prefix: 1009 Transit ASes present in the Internet Routing Table: 351 Transit-only ASes present in the Internet Routing Table: 51 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 15 Max AS path prepend of ASN (211089) 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: 38840 Number of 32-bit ASNs visible in the Routing Table: 564 Prefixes from 32-bit ASNs in the Routing Table: 1562 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: 199667968 Equivalent to 11 /8s, 230 /16s and 177 /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: 1700 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4500 Total APNIC prefixes after maximum aggregation: 2204 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4506 Unique aggregates announced from the APNIC address blocks: 2526 APNIC Region origin ASes present in the Internet Routing Table: 520 APNIC Prefixes per ASN: 8.67 APNIC Region origin ASes announcing only one prefix: 220 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 3.8 Max APNIC Region AS path length visible: 13 Number of APNIC region 32-bit ASNs visible in the Routing Table: 191 Number of APNIC addresses announced to Internet: 45465344 Equivalent to 2 /8s, 181 /16s and 191 /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: 6972 Total ARIN prefixes after maximum aggregation: 4180 ARIN Deaggregation factor: 1.67 Prefixes being announced from the ARIN address blocks: 6984 Unique aggregates announced from the ARIN address blocks: 4655 ARIN Region origin ASes present in the Internet Routing Table: 1114 ARIN Prefixes per ASN: 6.27 ARIN Region origin ASes announcing only one prefix: 397 ARIN Region transit ASes present in the Internet Routing Table: 146 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: 153 Number of ARIN addresses announced to Internet: 89391104 Equivalent to 5 /8s, 84 /16s and 0 /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: 3389 Total RIPE prefixes after maximum aggregation: 2761 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3380 Unique aggregates announced from the RIPE address blocks: 2725 RIPE Region origin ASes present in the Internet Routing Table: 648 RIPE Prefixes per ASN: 5.22 RIPE Region origin ASes announcing only one prefix: 298 RIPE Region transit ASes present in the Internet Routing Table: 96 Average RIPE Region AS path length visible: 3.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 128 Number of RIPE addresses announced to Internet: 57932288 Equivalent to 3 /8s, 115 /16s and 250 /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: 1397 Total LACNIC prefixes after maximum aggregation: 563 LACNIC Deaggregation factor: 2.48 Prefixes being announced from the LACNIC address blocks: 1395 Unique aggregates announced from the LACNIC address blocks: 761 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 8.45 LACNIC Region origin ASes announcing only one prefix: 68 LACNIC Region transit ASes present in the Internet Routing Table: 22 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: 65 Number of LACNIC addresses announced to Internet: 4143360 Equivalent to 0 /8s, 63 /16s and 57 /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: 932 Total AfriNIC prefixes after maximum aggregation: 195 AfriNIC Deaggregation factor: 4.78 Prefixes being announced from the AfriNIC address blocks: 932 Unique aggregates announced from the AfriNIC address blocks: 302 AfriNIC Region origin ASes present in the Internet Routing Table: 53 AfriNIC Prefixes per ASN: 17.58 AfriNIC Region origin ASes announcing only one prefix: 26 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 2735872 Equivalent to 0 /8s, 41 /16s and 191 /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 582 2124 457 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 7575 349 330 126 AARNET-AS-AP Australian Academic and Re 1237 186 74 135 KREONET-AS-KR KISTI, KR 58647 167 18 2 KAGAWAU-AS Kagawa University, JP 55824 129 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 135 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 3477 77 71 46 NOAA-NWAVE, US 3 76 496 15 MIT-GATEWAYS, 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 1967 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 140 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 73 449 73 BELWUE BelWue-Koordination, DE 2614 67 30 57 ROEDUNET, RO 2200 66 647 61 FR-RENATER Reseau National de telecommu 1930 58 81 53 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 158 208 45 Rede Nacional de Ensino e Pesquisa, BR 28391 152 10 66 Universidad Juarez Autonoma de Tabasco, 11340 95 24 54 Red Universitaria Nacional, CL 1251 60 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 41 3 15 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 373 319 74 TENET-1, ZA 36914 213 82 3 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 39 28 3 RENU, UG 327700 36 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 16 8 1 TERNET, TZ 37501 11 49 6 UOFS, ZA 37074 10 7 7 UG-AS, GH 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 582 2124 457 SINET-AS Research Organization of Infor 7497 432 182 24 CSTNET-AS-AP Computer Network Informati 2018 373 319 74 TENET-1, ZA 7575 349 330 126 AARNET-AS-AP Australian Academic and Re 680 279 1967 245 DFN Verein zur Foerderung eines Deutsch 36914 213 82 3 KENET-AS, KE 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 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 373 299 TENET-1, ZA 7575 349 223 AARNET-AS-AP Australian Academic and Research N 36914 213 210 KENET-AS, KE 5786 200 199 UPRENET, PR 58647 167 165 KAGAWAU-AS Kagawa University, JP 8895 140 136 ISU Internet Services Unit ISU, SA 18558 135 131 NETBLK-RCOEK, US 1916 158 113 Rede Nacional de Ensino e Pesquisa, BR 55824 129 106 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 65000 PRIVATE 130.229.0.0/18 2837 SUNET-KI, SE 22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US 22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US 65000 PRIVATE 194.14.96.0/24 2837 SUNET-KI, SE 19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US 395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US 394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, 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 /15:121 /16:1944 /17:384 /18:426 /19:520 /20:822 /21:860 /22:1350 /23:1445 /24:9260 /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 200 213 KENET-AS, KE 8895 135 140 ISU Internet Services Unit ISU, SA 23024 53 56 OCDE, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 327700 32 36 MoRENet, MZ 25977 31 45 HCCS, US 263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN 32440 29 44 LONI, US 31638 21 21 ASN-LEPIDA, IT 1968 20 31 UMASSP-DOM, US Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:3 5:15 6:4 8:2 12:1 14:85 18:42 23:7 24:3 31:6 37:6 38:9 41:127 42:8 44:5 45:33 46:6 47:1 49:10 50:1 52:1 59:11 60:4 61:3 62:6 63:4 64:27 66:15 67:42 68:8 69:19 70:2 72:8 74:19 76:33 77:5 78:3 79:10 80:15 81:28 82:5 83:6 84:6 85:38 86:4 87:1 88:1 89:10 91:42 92:1 93:23 94:4 95:5 96:5 97:1 98:2 101:6 102:12 103:280 104:14 106:1 107:1 108:3 109:10 110:3 111:20 113:1 114:23 116:5 117:61 118:19 119:22 121:26 122:8 124:39 125:3 128:101 129:39 130:93 131:84 132:55 133:141 134:98 136:194 137:220 138:21 139:16 140:51 141:1 142:40 143:31 144:23 145:2 146:125 147:31 148:191 149:12 150:43 151:6 152:71 153:88 154:26 155:51 156:68 157:26 158:42 159:116 160:25 161:18 162:16 163:65 164:35 165:55 166:1 167:16 168:124 169:9 170:50 171:1 172:2 173:1 175:29 176:8 177:12 179:11 180:21 182:8 184:3 185:33 186:3 187:19 188:13 189:5 190:33 191:33 192:1258 193:265 194:133 195:83 196:164 197:118 198:414 199:264 200:246 201:39 202:415 203:332 204:305 205:157 206:165 207:160 208:66 209:104 210:180 211:13 212:146 213:5 214:7 216:55 217:11 218:22 219:6 220:16 222:5 223:3 End of report