IPv4 R&E Routing Table Report 21:05 GMT Mon 14 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: 17167 Prefixes after maximum aggregation (per Origin AS): 10000 Deaggregation factor: 1.72 Unique aggregates announced (without unneeded subnets): 11130 Number of IPv4 prefixes with a valid ROA: 3615 Number of IPv4 prefixes with an invalid ROA: 65 Number of IPv4 prefixes with no ROA: 13487 Total ASes present in the Internet Routing Table: 2565 Prefixes per ASN: 6.69 Origin-only ASes present in the Internet Routing Table: 2213 Origin ASes announcing only one prefix: 1017 Transit ASes present in the Internet Routing Table: 352 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: 16 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: 38793 Number of 32-bit ASNs visible in the Routing Table: 563 Prefixes from 32-bit ASNs in the Routing Table: 1531 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: 199453184 Equivalent to 11 /8s, 227 /16s and 106 /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: 1703 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4513 Total APNIC prefixes after maximum aggregation: 2215 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4519 Unique aggregates announced from the APNIC address blocks: 2533 APNIC Region origin ASes present in the Internet Routing Table: 524 APNIC Prefixes per ASN: 8.62 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: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 191 Number of APNIC addresses announced to Internet: 45533952 Equivalent to 2 /8s, 182 /16s and 203 /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: 6932 Total ARIN prefixes after maximum aggregation: 4178 ARIN Deaggregation factor: 1.66 Prefixes being announced from the ARIN address blocks: 6944 Unique aggregates announced from the ARIN address blocks: 4632 ARIN Region origin ASes present in the Internet Routing Table: 1112 ARIN Prefixes per ASN: 6.24 ARIN Region origin ASes announcing only one prefix: 398 ARIN Region transit ASes present in the Internet Routing Table: 147 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: 151 Number of ARIN addresses announced to Internet: 89321728 Equivalent to 5 /8s, 82 /16s and 241 /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: 3404 Total RIPE prefixes after maximum aggregation: 2773 RIPE Deaggregation factor: 1.23 Prefixes being announced from the RIPE address blocks: 3395 Unique aggregates announced from the RIPE address blocks: 2739 RIPE Region origin ASes present in the Internet Routing Table: 656 RIPE Prefixes per ASN: 5.18 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 97 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: 131 Number of RIPE addresses announced to Internet: 57981696 Equivalent to 3 /8s, 116 /16s and 187 /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: 1396 Total LACNIC prefixes after maximum aggregation: 565 LACNIC Deaggregation factor: 2.47 Prefixes being announced from the LACNIC address blocks: 1394 Unique aggregates announced from the LACNIC address blocks: 763 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 8.40 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: 4147712 Equivalent to 0 /8s, 63 /16s and 74 /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: 915 Total AfriNIC prefixes after maximum aggregation: 262 AfriNIC Deaggregation factor: 3.49 Prefixes being announced from the AfriNIC address blocks: 915 Unique aggregates announced from the AfriNIC address blocks: 463 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 18.30 AfriNIC Region origin ASes announcing only one prefix: 25 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 25 Number of AfriNIC addresses announced to Internet: 2468096 Equivalent to 0 /8s, 37 /16s and 169 /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 581 2124 458 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 668 211 702 179 DNIC-AS-00668, US 376 203 178 152 RISQ-AS, CA 5786 182 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 3 76 496 15 MIT-GATEWAYS, US 3477 76 71 45 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 1967 245 DFN Verein zur Foerderung eines Deutsch 786 186 1774 183 JANET Jisc Services Limited, GB 8895 141 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 69 30 59 ROEDUNET, RO 2200 65 615 60 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 157 208 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 204 22 74 KENET-AS, KE 2561 72 5 31 EUN, EG 8094 50 48 4 PUKNET, ZA 327687 39 28 3 RENU, UG 327700 34 16 1 MoRENet, MZ 6879 24 2 9 ENSTINET-, EG 37182 17 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 581 2124 458 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 668 211 702 179 DNIC-AS-00668, US 36914 204 22 74 KENET-AS, KE 376 203 178 152 RISQ-AS, CA 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 373 299 TENET-1, ZA 7575 349 223 AARNET-AS-AP Australian Academic and Research N 5786 182 181 UPRENET, PR 58647 167 165 KAGAWAU-AS Kagawa University, JP 8895 141 137 ISU Internet Services Unit ISU, SA 18558 135 131 NETBLK-RCOEK, US 36914 204 130 KENET-AS, KE 1916 157 112 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 /14:33 /15:121 /16:1942 /17:384 /18:425 /19:519 /20:824 /21:865 /22:1351 /23:1452 /24:9220 /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 194 204 KENET-AS, KE 8895 136 141 ISU Internet Services Unit ISU, SA 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 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) ---------------------------------------------- 1:4 5:15 6:4 8:2 12:1 14:85 18:42 23:7 24:3 31:6 37:6 38:9 41:122 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 66:16 67:43 68:8 69:20 70:2 72:9 74:20 76:33 77:5 78:3 79:10 80:15 81:28 82:4 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 98:2 101:6 102:12 103:281 104:14 106:1 107:1 108:3 109:10 110:3 111:20 113:1 114:23 116:5 117:61 118:19 119:22 121:26 122:8 124:39 125:3 128:101 129:38 130:93 131:84 132:53 133:141 134:99 136:176 137:220 138:21 139:15 140:50 141:1 142:40 143:31 144:25 145:2 146:125 147:31 148:191 149:13 150:43 151:6 152:71 153:88 154:26 155:51 156:68 157:26 158:42 159:116 160:25 161:18 162:16 163:65 164:35 165:55 166:1 167:16 168:124 169:9 170:50 171:1 172:2 173:1 175:29 176:8 177:12 179:11 180:21 182:8 184:2 185:35 186:3 187:19 188:13 189:5 190:33 191:33 192:1261 193:269 194:132 195:83 196:163 197:116 198:413 199:260 200:243 201:39 202:420 203:332 204:278 205:157 206:165 207:160 208:66 209:104 210:183 211:13 212:146 213:5 214:7 216:56 217:11 218:22 219:6 220:16 222:5 223:3 End of report