IPv4 R&E Routing Table Report 17:00 GMT Fri 29 Nov, 2024 IPv4 BGP Table (R&E) as seen at GEANT. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/ Analysis Summary ---------------- BGP routing table entries examined: 19222 Prefixes after maximum aggregation (per Origin AS): 10658 Deaggregation factor: 1.80 Unique aggregates announced (without unneeded subnets): 11771 Number of IPv4 prefixes with a valid ROA: 7534 Number of IPv4 prefixes with an invalid ROA: 8 Number of IPv4 prefixes with no ROA: 11680 Total ASes present in the Internet Routing Table: 2776 Prefixes per ASN: 6.92 Origin-only ASes present in the Internet Routing Table: 2405 Origin ASes announcing only one prefix: 1072 Transit ASes present in the Internet Routing Table: 371 Transit-only ASes present in the Internet Routing Table: 63 Paths with bogon ASNs present in the IPv4 Routing Table: 2 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 29 Max AS path prepend of ASN (138136) 20 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: 45925 Number of 32-bit ASNs visible in the Routing Table: 663 Prefixes from 32-bit ASNs in the Routing Table: 1818 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: 4 Number of addresses announced to Internet: 201972496 Equivalent to 12 /8s, 9 /16s and 219 /24s Percentage of available address space announced: 5.5 Percentage of allocated address space announced: 5.4 Percentage of available address space allocated: 100.1 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 2392 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4672 Total APNIC prefixes after maximum aggregation: 2266 APNIC Deaggregation factor: 2.06 Prefixes being announced from the APNIC address blocks: 4670 Unique aggregates announced from the APNIC address blocks: 2612 APNIC Region origin ASes present in the Internet Routing Table: 560 APNIC Prefixes per ASN: 8.34 APNIC Region origin ASes announcing only one prefix: 239 APNIC Region transit ASes present in the Internet Routing Table: 58 Average APNIC Region AS path length visible: 3.7 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 209 Number of APNIC addresses announced to Internet: 45542208 Equivalent to 2 /8s, 182 /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, 131072-153913 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: 8198 Total ARIN prefixes after maximum aggregation: 4756 ARIN Deaggregation factor: 1.72 Prefixes being announced from the ARIN address blocks: 8213 Unique aggregates announced from the ARIN address blocks: 5249 ARIN Region origin ASes present in the Internet Routing Table: 1258 ARIN Prefixes per ASN: 6.53 ARIN Region origin ASes announcing only one prefix: 438 ARIN Region transit ASes present in the Internet Routing Table: 151 Average ARIN Region AS path length visible: 4.2 Max ARIN Region AS path length visible: 15 Number of ARIN region 32-bit ASNs visible in the Routing Table: 206 Number of ARIN addresses announced to Internet: 91014656 Equivalent to 5 /8s, 108 /16s and 198 /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, 393216-402332 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 3662 Total RIPE prefixes after maximum aggregation: 2921 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3652 Unique aggregates announced from the RIPE address blocks: 2966 RIPE Region origin ASes present in the Internet Routing Table: 689 RIPE Prefixes per ASN: 5.30 RIPE Region origin ASes announcing only one prefix: 311 RIPE Region transit ASes present in the Internet Routing Table: 109 Average RIPE Region AS path length visible: 2.9 Max RIPE Region AS path length visible: 12 Number of RIPE region 32-bit ASNs visible in the Routing Table: 156 Number of RIPE addresses announced to Internet: 58729360 Equivalent to 3 /8s, 128 /16s and 35 /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 196608-216475 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 1525 Total LACNIC prefixes after maximum aggregation: 538 LACNIC Deaggregation factor: 2.83 Prefixes being announced from the LACNIC address blocks: 1522 Unique aggregates announced from the LACNIC address blocks: 714 LACNIC Region origin ASes present in the Internet Routing Table: 152 LACNIC Prefixes per ASN: 10.01 LACNIC Region origin ASes announcing only one prefix: 53 LACNIC Region transit ASes present in the Internet Routing Table: 24 Average LACNIC Region AS path length visible: 4.6 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63 Number of LACNIC addresses announced to Internet: 4195648 Equivalent to 0 /8s, 64 /16s and 5 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + 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: 1162 Total AfriNIC prefixes after maximum aggregation: 174 AfriNIC Deaggregation factor: 6.68 Prefixes being announced from the AfriNIC address blocks: 1161 Unique aggregates announced from the AfriNIC address blocks: 226 AfriNIC Region origin ASes present in the Internet Routing Table: 52 AfriNIC Prefixes per ASN: 22.33 AfriNIC Region origin ASes announcing only one prefix: 31 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 2.9 Max AfriNIC Region AS path length visible: 18 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29 Number of AfriNIC addresses announced to Internet: 2487808 Equivalent to 0 /8s, 37 /16s and 246 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 41/8, 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 602 2202 463 SINET-AS Research Organization of Informa 7497 447 180 24 CSTNET-AS-AP Computer Network Information 1237 194 74 145 KREONET-AS-KR KISTI, KR 58647 181 18 2 KAGAWAU-AS Kagawa University, JP 7575 171 313 114 AARNET-AS-AP Australian Academic and Rese 4538 140 4192 71 ERX-CERNET-BKB China Education and Resear 55824 132 18 18 NKN-CORE-NW NKN Core Network, IN 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 69 37 10 UNINET-AS-AP UNINET-, TH 2697 60 4 35 ERX-ERNET-AS Education and Research Netwo Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 668 205 648 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 152 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US 23024 95 7 21 OCDE, US 21976 91 50 17 NJEDGE-NET, US 237 82 541 48 MERIT-AS-14, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 786 186 1767 183 JANET Jisc Services Limited, GB 8895 132 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch.c 1103 96 1743 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 93 26 73 ROEDUNET, RO 3267 88 27 70 NIKS, RU 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 302 178 44 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 110 25 53 Red Universitaria Nacional, CL 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 61468 52 5 18 CEDIA, EC 2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blumena Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 544 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37074 15 8 2 UG-AS, GH 327700 14 16 1 MoRENet, MZ 30983 12 4 2 MARWAN-AS, MA 37661 12 8 4 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 602 2202 463 SINET-AS Research Organization of Informa 36914 544 82 3 KENET-AS, KE 7497 447 180 24 CSTNET-AS-AP Computer Network Information 2018 381 319 71 TENET-1, ZA 1916 302 178 44 Rede Nacional de Ensino e Pesquisa, BR 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 668 205 648 174 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 1237 194 74 145 KREONET-AS-KR KISTI, KR Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 544 541 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 1916 302 258 Rede Nacional de Ensino e Pesquisa, BR 5786 198 197 UPRENET, PR 58647 181 179 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US 18558 140 136 NETBLK-RCOEK, US 8895 132 127 ISU Internet Services Unit ISU, SA 55824 132 114 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/GEANT/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 65111 PRIVATE 62.40.99.40/29 20965 GEANT The GEANT IP Serv 65111 PRIVATE 62.40.117.18/31 20965 GEANT The GEANT IP Serv 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U 202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH 202.46.245.0/24 Origin: 147171 IDNIC-BRIN-AS-ID Badan Riset dan Inovasi 202.46.245.0/24 Transit: 64302 IDNIC-IDREN-AS-ID IDREN - Indonesia Rese 203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University 203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res Complete listing at https://bgp.nsrc.org/REN/GEANT/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 /10:1 /11:1 /12:11 /13:18 /14:35 /15:118 /16:1994 /17:427 /18:456 /19:582 /20:866 /21:907 /22:1435 /23:1539 /24:10623 /25:59 /26:72 /27:37 /28:11 /29:14 /30:10 /31:1 /32:4 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 520 544 KENET-AS, KE 8895 127 132 ISU Internet Services Unit ISU, SA 1916 75 302 Rede Nacional de Ensino e Pesquisa, BR 3267 41 88 NIKS, RU 23024 37 95 OCDE, US 32440 37 63 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US 200521 31 53 SEAP-AGE, ES 25977 30 44 HCCS, US Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:2 14:93 23:6 24:3 31:1 35:3 37:8 38:11 41:221 42:11 44:4 45:50 46:4 47:1 49:10 50:2 52:1 59:19 60:5 61:3 62:14 63:32 64:44 65:5 66:42 67:40 68:12 69:19 70:2 71:1 72:7 74:53 76:41 77:10 78:3 79:10 80:15 81:25 82:7 83:7 84:11 85:46 86:10 87:1 89:11 91:42 92:2 93:13 94:2 95:2 96:5 97:1 98:2 101:1 102:12 103:292 104:78 108:8 109:5 111:21 113:1 114:24 116:9 117:61 118:33 119:24 121:27 122:8 123:8 124:42 125:5 128:56 129:36 130:95 131:64 132:65 133:154 134:109 136:198 137:51 138:58 139:5 140:36 141:3 142:53 143:26 144:27 145:2 146:137 147:63 148:195 149:12 150:40 151:9 152:139 153:14 154:40 155:63 156:138 157:27 158:30 159:118 160:31 161:16 162:22 163:62 164:11 165:47 166:1 167:10 168:119 169:7 170:88 172:2 173:7 175:16 177:6 179:9 180:16 181:1 182:11 184:6 185:54 186:3 187:21 188:13 189:2 190:18 191:13 192:1412 193:279 194:141 195:93 196:148 197:335 198:460 199:277 200:338 201:37 202:636 203:438 204:374 205:136 206:211 207:223 208:65 209:107 210:218 211:3 212:164 213:7 214:8 216:90 217:9 218:22 219:6 220:17 222:2 223:15 End of report