IPv4 R&E Routing Table Report 20:20 GMT Mon 06 Jan, 2025 IPv4 BGP Table (R&E) as seen at Erdemnet. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/ Analysis Summary ---------------- BGP routing table entries examined: 19816 Prefixes after maximum aggregation (per Origin AS): 10817 Deaggregation factor: 1.83 Unique aggregates announced (without unneeded subnets): 12102 Number of IPv4 prefixes with a valid ROA: 7754 Number of IPv4 prefixes with an invalid ROA: 99 Number of IPv4 prefixes with no ROA: 11963 Total ASes present in the Internet Routing Table: 2829 Prefixes per ASN: 7.00 Origin-only ASes present in the Internet Routing Table: 2447 Origin ASes announcing only one prefix: 1094 Transit ASes present in the Internet Routing Table: 382 Transit-only ASes present in the Internet Routing Table: 67 Paths with bogon ASNs present in the IPv4 Routing Table: 4 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 28 Max AS path prepend of ASN (138136) 20 Prefixes from unregistered ASNs in the Routing Table: 5 Number of instances of unregistered ASNs: 5 Number of 32-bit ASNs allocated by the RIRs: 46015 Number of 32-bit ASNs visible in the Routing Table: 688 Prefixes from 32-bit ASNs in the Routing Table: 1799 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: 3 Number of addresses announced to Internet: 195261184 Equivalent to 11 /8s, 163 /16s and 115 /24s Percentage of available address space announced: 5.3 Percentage of allocated address space announced: 5.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 2465 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 5105 Total APNIC prefixes after maximum aggregation: 2363 APNIC Deaggregation factor: 2.16 Prefixes being announced from the APNIC address blocks: 5107 Unique aggregates announced from the APNIC address blocks: 2914 APNIC Region origin ASes present in the Internet Routing Table: 602 APNIC Prefixes per ASN: 8.48 APNIC Region origin ASes announcing only one prefix: 256 APNIC Region transit ASes present in the Internet Routing Table: 63 Average APNIC Region AS path length visible: 4.8 Max APNIC Region AS path length visible: 28 Number of APNIC region 32-bit ASNs visible in the Routing Table: 226 Number of APNIC addresses announced to Internet: 39935744 Equivalent to 2 /8s, 97 /16s and 95 /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: 8658 Total ARIN prefixes after maximum aggregation: 4860 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 8672 Unique aggregates announced from the ARIN address blocks: 5330 ARIN Region origin ASes present in the Internet Routing Table: 1281 ARIN Prefixes per ASN: 6.77 ARIN Region origin ASes announcing only one prefix: 452 ARIN Region transit ASes present in the Internet Routing Table: 154 Average ARIN Region AS path length visible: 7.9 Max ARIN Region AS path length visible: 19 Number of ARIN region 32-bit ASNs visible in the Routing Table: 212 Number of ARIN addresses announced to Internet: 90228736 Equivalent to 5 /8s, 96 /16s and 200 /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: 3585 Total RIPE prefixes after maximum aggregation: 2878 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3573 Unique aggregates announced from the RIPE address blocks: 2925 RIPE Region origin ASes present in the Internet Routing Table: 671 RIPE Prefixes per ASN: 5.32 RIPE Region origin ASes announcing only one prefix: 301 RIPE Region transit ASes present in the Internet Routing Table: 112 Average RIPE Region AS path length visible: 6.2 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 158 Number of RIPE addresses announced to Internet: 58574848 Equivalent to 3 /8s, 125 /16s and 200 /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: 1323 Total LACNIC prefixes after maximum aggregation: 535 LACNIC Deaggregation factor: 2.47 Prefixes being announced from the LACNIC address blocks: 1321 Unique aggregates announced from the LACNIC address blocks: 708 LACNIC Region origin ASes present in the Internet Routing Table: 155 LACNIC Prefixes per ASN: 8.52 LACNIC Region origin ASes announcing only one prefix: 56 LACNIC Region transit ASes present in the Internet Routing Table: 22 Average LACNIC Region AS path length visible: 8.2 Max LACNIC Region AS path length visible: 17 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63 Number of LACNIC addresses announced to Internet: 4102912 Equivalent to 0 /8s, 62 /16s and 155 /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: 1140 Total AfriNIC prefixes after maximum aggregation: 177 AfriNIC Deaggregation factor: 6.44 Prefixes being announced from the AfriNIC address blocks: 1139 Unique aggregates announced from the AfriNIC address blocks: 222 AfriNIC Region origin ASes present in the Internet Routing Table: 50 AfriNIC Prefixes per ASN: 22.78 AfriNIC Region origin ASes announcing only one prefix: 29 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 6.4 Max AfriNIC Region AS path length visible: 26 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29 Number of AfriNIC addresses announced to Internet: 2416384 Equivalent to 0 /8s, 36 /16s and 223 /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 626 2202 463 SINET-AS Research Organization of Informa 7497 451 212 25 CSTNET-AS-AP Computer Network Information 1237 191 74 145 KREONET-AS-KR KISTI, KR 58647 182 18 2 KAGAWAU-AS Kagawa University, JP 7575 173 313 116 AARNET-AS-AP Australian Academic and Rese 55824 146 19 20 NKN-CORE-NW NKN Core Network, IN 4538 139 4192 71 ERX-CERNET-BKB China Education and Resear 17882 136 9 32 UNIVISION-AS-AP UNIVISION LLC, MN 4850 84 0 1 DIGICOM-AS-AP Digicom LLC, MN 9484 76 5 6 MOBINET-AS-MN Mobinet LLC. AS Mobinet Int Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2152 525 507 99 CENIC-2152, US 2920 226 44 49 LACOE, US 668 204 630 173 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 18558 140 18 5 NETBLK-RCOEK, US 81 129 519 34 NCREN, US 23024 97 7 19 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/Erdemnet/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 284 1899 249 DFN Verein zur Foerderung eines Deutschen 786 185 1767 182 JANET Jisc Services Limited, GB 8895 130 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 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 3267 78 29 68 NIKS, RU Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 158 178 41 Rede Nacional de Ensino e Pesquisa, BR 28391 156 10 69 Universidad Juarez Autonoma de Tabasco, M 11340 109 25 52 Red Universitaria Nacional, CL 61468 52 5 17 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 28614 38 2 2 Fundacao Universidade Regional de Blumena 1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 3596 37 8 4 Universidad Autonoma Metropolitana, MX Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 545 82 3 KENET-AS, KE 2018 379 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 32 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37661 12 8 4 NRaE1-AS, NG 327700 12 16 1 MoRENet, MZ 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA 37182 7 0 7 TERNET, TZ Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 626 2202 463 SINET-AS Research Organization of Informa 36914 545 82 3 KENET-AS, KE 2152 525 507 99 CENIC-2152, US 7497 451 212 25 CSTNET-AS-AP Computer Network Information 2018 379 319 71 TENET-1, ZA 680 284 1899 249 DFN Verein zur Foerderung eines Deutschen 2920 226 44 49 LACOE, US 668 204 630 173 DNIC-AS-00668, US 376 201 162 150 RISQ-AS, CA 5786 198 16 1 UPRENET, PR Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 36914 545 542 KENET-AS, KE 2152 525 426 CENIC-2152, US 7497 451 426 CSTNET-AS-AP Computer Network Information Cente 2018 379 308 TENET-1, ZA 5786 198 197 UPRENET, PR 58647 182 180 KAGAWAU-AS Kagawa University, JP 2920 226 177 LACOE, US 18558 140 135 NETBLK-RCOEK, US 55824 146 126 NKN-CORE-NW NKN Core Network, IN 8895 130 125 ISU Internet Services Unit ISU, SA Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US 65101 PRIVATE 202.21.123.0/24 9484 MOBINET-AS-MN Mobinet L 65512 PRIVATE 202.126.89.0/24 55805 MOBICOM-AS-MN MobiCom C 65512 PRIVATE 202.126.90.0/24 55805 MOBICOM-AS-MN MobiCom C 65512 PRIVATE 202.126.91.0/24 55805 MOBICOM-AS-MN MobiCom C Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 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/Erdemnet/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 /10:1 /11:0 /12:10 /13:16 /14:32 /15:115 /16:1967 /17:419 /18:460 /19:579 /20:870 /21:893 /22:1501 /23:1630 /24:11234 /25:0 /26:2 /27:2 /28:4 /29:2 /30:4 /31:1 /32:72 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 521 545 KENET-AS, KE 8895 125 130 ISU Internet Services Unit ISU, SA 4850 83 84 DIGICOM-AS-AP Digicom LLC, MN 2152 62 525 CENIC-2152, US 23024 37 97 OCDE, US 17882 35 136 UNIVISION-AS-AP UNIVISION LLC, MN 3267 34 78 NIKS, RU 32440 33 58 LONI, US 28614 32 38 Fundacao Universidade Regional de Blumenau, BR 46115 32 35 LUTHER, US Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 5:15 6:4 8:2 12:2 14:93 23:8 24:3 27:4 31:1 35:3 36:2 37:8 38:11 41:227 42:11 43:8 44:4 45:50 46:4 47:1 49:11 50:4 52:1 59:23 60:6 61:3 62:8 63:36 64:49 65:5 66:88 67:41 68:13 69:18 70:2 71:1 72:7 74:53 76:38 77:10 78:3 79:10 80:12 81:25 82:7 83:7 84:8 85:45 86:5 87:1 89:11 91:42 92:2 93:13 94:2 95:2 96:5 97:1 98:2 101:1 102:12 103:363 104:79 107:2 108:8 109:5 111:21 112:16 113:1 114:24 116:9 117:61 118:33 119:30 121:27 122:24 123:8 124:45 125:5 128:55 129:36 130:97 131:65 132:66 133:155 134:109 136:198 137:98 138:58 139:9 140:33 141:3 142:38 143:25 144:27 145:2 146:136 147:63 148:198 149:13 150:70 151:9 152:132 153:14 154:41 155:64 156:131 157:26 158:30 159:117 160:34 161:17 162:24 163:64 164:11 165:49 166:1 167:26 168:118 169:7 170:96 171:1 172:2 173:7 175:16 177:6 179:13 180:16 181:1 182:11 184:2 185:52 186:3 187:22 188:14 189:3 190:34 191:13 192:1419 193:272 194:136 195:78 196:145 197:329 198:546 199:278 200:199 201:37 202:800 203:450 204:402 205:178 206:215 207:316 208:67 209:161 210:219 211:3 212:164 213:6 214:8 216:93 217:12 218:24 219:6 220:16 222:2 223:15 End of report