IPv4 R&E Routing Table Report 22:10 GMT Sat 09 Nov, 2024 IPv4 BGP Table (R&E) as seen at CEDIA. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/CEDIA/ Analysis Summary ---------------- BGP routing table entries examined: 26444 Prefixes after maximum aggregation (per Origin AS): 13024 Deaggregation factor: 2.03 Unique aggregates announced (without unneeded subnets): 14807 Number of IPv4 prefixes with a valid ROA: 14726 Number of IPv4 prefixes with an invalid ROA: 140 Number of IPv4 prefixes with no ROA: 11578 Total ASes present in the Internet Routing Table: 2790 Prefixes per ASN: 9.48 Origin-only ASes present in the Internet Routing Table: 2411 Origin ASes announcing only one prefix: 1066 Transit ASes present in the Internet Routing Table: 379 Transit-only ASes present in the Internet Routing Table: 66 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.8 Max AS path length visible: 29 Max AS path prepend of ASN (138136) 20 Prefixes from unregistered ASNs in the Routing Table: 1 Number of instances of unregistered ASNs: 1 Number of 32-bit ASNs allocated by the RIRs: 45822 Number of 32-bit ASNs visible in the Routing Table: 694 Prefixes from 32-bit ASNs in the Routing Table: 4868 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: 2 Number of addresses announced to Internet: 241092682 Equivalent to 14 /8s, 94 /16s and 200 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 5.1 Percentage of available address space allocated: 128.7 Percentage of address space in use by end-sites: 99.6 Total number of prefixes smaller than registry allocations: 13750 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4727 Total APNIC prefixes after maximum aggregation: 2312 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 500 Unique aggregates announced from the APNIC address blocks: 405 APNIC Region origin ASes present in the Internet Routing Table: 587 APNIC Prefixes per ASN: 0.85 APNIC Region origin ASes announcing only one prefix: 244 APNIC Region transit ASes present in the Internet Routing Table: 60 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 29 Number of APNIC region 32-bit ASNs visible in the Routing Table: 234 Number of APNIC addresses announced to Internet: 7141952 Equivalent to 0 /8s, 108 /16s and 250 /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 43/8, 45/8, 146/8, 150/8, 160/8, 163/8, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 15466 Total ARIN prefixes after maximum aggregation: 7016 ARIN Deaggregation factor: 2.20 Prefixes being announced from the ARIN address blocks: 5051 Unique aggregates announced from the ARIN address blocks: 3662 ARIN Region origin ASes present in the Internet Routing Table: 1265 ARIN Prefixes per ASN: 3.99 ARIN Region origin ASes announcing only one prefix: 445 ARIN Region transit ASes present in the Internet Routing Table: 155 Average ARIN Region AS path length visible: 4.4 Max ARIN Region AS path length visible: 16 Number of ARIN region 32-bit ASNs visible in the Routing Table: 216 Number of ARIN addresses announced to Internet: 26859776 Equivalent to 1 /8s, 153 /16s and 217 /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 66/8, 139/8, 144/8, 149/8, 162/8, 192/8, 198/8, 199/8, 204/8, 205/8, 207/8, 208/8, RIPE Region Analysis Summary ---------------------------- Prefixes being announced by RIPE Region ASes: 3613 Total RIPE prefixes after maximum aggregation: 2905 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 879 Unique aggregates announced from the RIPE address blocks: 838 RIPE Region origin ASes present in the Internet Routing Table: 674 RIPE Prefixes per ASN: 1.30 RIPE Region origin ASes announcing only one prefix: 302 RIPE Region transit ASes present in the Internet Routing Table: 107 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 159 Number of RIPE addresses announced to Internet: 10152960 Equivalent to 0 /8s, 154 /16s and 236 /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 152/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 1583 Total LACNIC prefixes after maximum aggregation: 622 LACNIC Deaggregation factor: 2.55 Prefixes being announced from the LACNIC address blocks: 268 Unique aggregates announced from the LACNIC address blocks: 204 LACNIC Region origin ASes present in the Internet Routing Table: 149 LACNIC Prefixes per ASN: 1.80 LACNIC Region origin ASes announcing only one prefix: 46 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: 58 Number of LACNIC addresses announced to Internet: 917319 Equivalent to 0 /8s, 13 /16s and 255 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-274844 + ERX transfers LACNIC Address Blocks 128/8, 216/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 1054 Total AfriNIC prefixes after maximum aggregation: 168 AfriNIC Deaggregation factor: 6.27 Prefixes being announced from the AfriNIC address blocks: 81 Unique aggregates announced from the AfriNIC address blocks: 48 AfriNIC Region origin ASes present in the Internet Routing Table: 48 AfriNIC Prefixes per ASN: 1.69 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: 6.0 Max AfriNIC Region AS path length visible: 20 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27 Number of AfriNIC addresses announced to Internet: 603648 Equivalent to 0 /8s, 9 /16s and 54 /24s AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers AfriNIC Address Blocks 161/8, APNIC Region per AS prefix count summary ---------------------------------------- ASN No of nets /20 equiv MaxAgg Description 2907 600 2170 465 SINET-AS Research Organization of Informa 7497 447 180 24 CSTNET-AS-AP Computer Network Information 1237 193 74 145 KREONET-AS-KR KISTI, KR 58647 180 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 131 18 18 NKN-CORE-NW NKN Core Network, IN 4538 130 4192 72 ERX-CERNET-BKB China Education and Resear 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha 4621 70 37 11 UNINET-AS-AP UNINET-, TH 2697 60 4 35 ERX-ERNET-AS Education and Research Netwo Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16509 2365 1749 1062 AMAZON-02, US 14618 1017 4444 768 AMAZON-AES, US 15169 904 2007 68 GOOGLE, US 376 201 162 150 RISQ-AS, CA 5786 197 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 2152 150 507 97 CENIC-2152, US 18558 140 18 4 NETBLK-RCOEK, US 81 134 517 33 NCREN, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 680 281 1899 248 DFN Verein zur Foerderung eines Deutschen 786 186 1767 183 JANET Jisc Services Limited, GB 8895 133 24 5 ISU Internet Services Unit ISU, SA 559 114 533 104 SWITCH Peering requests: peering@switch.c 1103 97 1759 84 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 77 26 67 NIKS, RU Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 1916 292 178 44 Rede Nacional de Ensino e Pesquisa, BR 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 119 25 57 Red Universitaria Nacional, CL 27947 98 0 81 Telconet S.A, EC 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 2715 50 100 36 Fundacao Carlos Chagas Filho de Amparo a 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 47 16 2 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/CEDIA/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 36914 450 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 37215 33 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37074 15 8 2 UG-AS, GH 327700 15 16 1 MoRENet, MZ 37661 12 8 4 NRaE1-AS, NG 37501 11 49 6 UOFS, ZA 36982 8 33 8 UCT, ZA Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 396982 2866 3654 420 GOOGLE-CLOUD-PLATFORM, US 16509 2365 1749 1062 AMAZON-02, US 14618 1017 4444 768 AMAZON-AES, US 15169 904 2007 68 GOOGLE, US 2907 600 2170 465 SINET-AS Research Organization of Informa 36914 450 82 3 KENET-AS, KE 7497 447 180 24 CSTNET-AS-AP Computer Network Information 2018 381 319 71 TENET-1, ZA 1916 292 178 44 Rede Nacional de Ensino e Pesquisa, BR 680 281 1899 248 DFN Verein zur Foerderung eines Deutschen Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 16509 2365 1303 AMAZON-02, US 15169 904 836 GOOGLE, US 36914 450 447 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 14618 1017 249 AMAZON-AES, US 1916 292 248 Rede Nacional de Ensino e Pesquisa, BR 5786 197 196 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US 204.153.219.0/24 Origin: 14618 AMAZON-AES, US 204.153.219.0/24 Transit: 16509 AMAZON-02, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/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 /11:4 /12:20 /13:37 /14:81 /15:158 /16:2095 /17:533 /18:521 /19:752 /20:2797 /21:1099 /22:1668 /23:1779 /24:14587 /25:52 /26:75 /27:37 /28:19 /29:64 /30:28 /31:31 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 396982 2658 2866 GOOGLE-CLOUD-PLATFORM, US 16509 2147 2365 AMAZON-02, US 15169 814 904 GOOGLE, US 14618 719 1017 AMAZON-AES, US 7497 263 447 CSTNET-AS-AP Computer Network Information Center of Chinese Academy of Sciences CNIC-CAS, CN 5786 196 197 UPRENET, PR 28391 154 154 Universidad Juarez Autonoma de Tabasco, MX 58647 149 180 KAGAWAU-AS Kagawa University, JP 36914 127 450 KENET-AS, KE 55824 124 131 NKN-CORE-NW NKN Core Network, IN Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:103 5:22 8:28 12:1 13:47 14:92 15:73 16:119 18:84 23:111 24:3 31:5 34:22 35:49 36:1 37:8 38:10 40:5 41:159 42:11 43:2 44:6 45:69 46:10 47:1 49:10 50:7 52:551 54:163 57:5 59:19 60:6 61:3 62:10 63:36 64:154 65:20 66:84 67:67 68:18 69:41 70:41 71:3 72:13 74:153 75:1 76:47 77:12 78:3 79:10 80:13 81:25 82:7 83:7 84:8 85:51 86:5 87:4 88:1 89:21 91:55 92:7 93:45 94:2 95:2 96:7 97:1 98:11 99:48 101:2 102:13 103:362 104:227 107:37 108:112 109:7 111:20 113:2 114:32 115:1 116:11 117:62 118:33 119:23 121:28 122:8 123:8 124:42 125:5 128:55 129:40 130:149 131:63 132:65 133:154 134:177 135:3 136:304 137:66 138:60 139:18 140:43 141:9 142:328 143:26 144:44 145:3 146:147 147:75 148:203 149:17 150:41 151:38 152:151 153:14 154:39 155:85 156:142 157:36 158:38 159:153 160:32 161:31 162:87 163:67 164:21 165:68 166:3 167:21 168:173 169:14 170:154 171:1 172:115 173:111 174:2 175:16 176:2 177:6 178:1 179:10 180:16 182:11 184:8 185:110 186:3 187:17 188:18 189:2 190:3 191:13 192:1512 193:292 194:121 195:74 196:146 197:323 198:488 199:325 200:323 201:33 202:642 203:441 204:402 205:157 206:231 207:254 208:148 209:195 210:218 211:3 212:168 213:17 216:205 217:12 218:21 219:5 220:17 222:2 223:15 End of report