IPv4 R&E Routing Table Report 22:10 GMT Tue 19 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: 26168 Prefixes after maximum aggregation (per Origin AS): 13013 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14813 Number of IPv4 prefixes with a valid ROA: 14618 Number of IPv4 prefixes with an invalid ROA: 152 Number of IPv4 prefixes with no ROA: 11398 Total ASes present in the Internet Routing Table: 2769 Prefixes per ASN: 9.45 Origin-only ASes present in the Internet Routing Table: 2389 Origin ASes announcing only one prefix: 1061 Transit ASes present in the Internet Routing Table: 380 Transit-only ASes present in the Internet Routing Table: 67 Paths with bogon ASNs present in the IPv4 Routing Table: 0 Average AS path length visible in the Internet Routing Table: 4.7 Max AS path length visible: 20 Max AS path prepend of ASN (395156) 12 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: 45858 Number of 32-bit ASNs visible in the Routing Table: 670 Prefixes from 32-bit ASNs in the Routing Table: 4762 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: 8 Number of addresses announced to Internet: 240914946 Equivalent to 14 /8s, 92 /16s and 18 /24s Percentage of available address space announced: 6.5 Percentage of allocated address space announced: 6.5 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: 3656 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4667 Total APNIC prefixes after maximum aggregation: 2272 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4725 Unique aggregates announced from the APNIC address blocks: 2683 APNIC Region origin ASes present in the Internet Routing Table: 560 APNIC Prefixes per ASN: 8.44 APNIC Region origin ASes announcing only one prefix: 236 APNIC Region transit ASes present in the Internet Routing Table: 59 Average APNIC Region AS path length visible: 5.7 Max APNIC Region AS path length visible: 15 Number of APNIC region 32-bit ASNs visible in the Routing Table: 210 Number of APNIC addresses announced to Internet: 45570624 Equivalent to 2 /8s, 183 /16s and 90 /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: 15426 Total ARIN prefixes after maximum aggregation: 7049 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 15153 Unique aggregates announced from the ARIN address blocks: 7916 ARIN Region origin ASes present in the Internet Routing Table: 1270 ARIN Prefixes per ASN: 11.93 ARIN Region origin ASes announcing only one prefix: 449 ARIN Region transit ASes present in the Internet Routing Table: 154 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: 217 Number of ARIN addresses announced to Internet: 130039553 Equivalent to 7 /8s, 192 /16s and 63 /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: 3600 Total RIPE prefixes after maximum aggregation: 2888 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3803 Unique aggregates announced from the RIPE address blocks: 3189 RIPE Region origin ASes present in the Internet Routing Table: 670 RIPE Prefixes per ASN: 5.68 RIPE Region origin ASes announcing only one prefix: 301 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: 157 Number of RIPE addresses announced to Internet: 58687376 Equivalent to 3 /8s, 127 /16s and 127 /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: 1324 Total LACNIC prefixes after maximum aggregation: 633 LACNIC Deaggregation factor: 2.09 Prefixes being announced from the LACNIC address blocks: 1327 Unique aggregates announced from the LACNIC address blocks: 799 LACNIC Region origin ASes present in the Internet Routing Table: 152 LACNIC Prefixes per ASN: 8.73 LACNIC Region origin ASes announcing only one prefix: 46 LACNIC Region transit ASes present in the Internet Routing Table: 26 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59 Number of LACNIC addresses announced to Internet: 4138289 Equivalent to 0 /8s, 63 /16s and 37 /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: 1150 Total AfriNIC prefixes after maximum aggregation: 170 AfriNIC Deaggregation factor: 6.76 Prefixes being announced from the AfriNIC address blocks: 1152 Unique aggregates announced from the AfriNIC address blocks: 218 AfriNIC Region origin ASes present in the Internet Routing Table: 49 AfriNIC Prefixes per ASN: 23.51 AfriNIC Region origin ASes announcing only one prefix: 29 AfriNIC Region transit ASes present in the Internet Routing Table: 11 Average AfriNIC Region AS path length visible: 4.5 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: 2475008 Equivalent to 0 /8s, 37 /16s and 196 /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 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 171 313 114 AARNET-AS-AP Australian Academic and Rese 4538 138 4192 72 ERX-CERNET-BKB China Education and Resear 55824 131 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 59 4 34 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 2880 3655 430 GOOGLE-CLOUD-PLATFORM, US 16509 2384 1767 1075 AMAZON-02, US 14618 1014 4443 766 AMAZON-AES, US 15169 913 2007 68 GOOGLE, US 376 201 162 150 RISQ-AS, CA 5786 198 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 680 283 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 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 76 26 66 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 28391 154 10 68 Universidad Juarez Autonoma de Tabasco, M 11340 119 25 57 Red Universitaria Nacional, CL 27947 106 0 86 Telconet S.A, EC 1916 86 178 43 Rede Nacional de Ensino e Pesquisa, BR 2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a 4270 48 16 2 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blumena 1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S 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 545 82 3 KENET-AS, KE 2018 380 319 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 2880 3655 430 GOOGLE-CLOUD-PLATFORM, US 16509 2384 1767 1075 AMAZON-02, US 14618 1014 4443 766 AMAZON-AES, US 15169 913 2007 68 GOOGLE, US 2907 600 2170 465 SINET-AS Research Organization of Informa 36914 545 82 3 KENET-AS, KE 7497 447 180 24 CSTNET-AS-AP Computer Network Information 2018 380 319 71 TENET-1, ZA 680 283 1899 249 DFN Verein zur Foerderung eines Deutschen 376 201 162 150 RISQ-AS, CA 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 2384 1309 AMAZON-02, US 15169 913 845 GOOGLE, US 36914 545 542 KENET-AS, KE 7497 447 423 CSTNET-AS-AP Computer Network Information Cente 2018 380 309 TENET-1, ZA 14618 1014 248 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US 18558 140 136 NETBLK-RCOEK, 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 103.165.160.0/24 Origin: 16509 AMAZON-02, US 103.165.160.0/24 Transit: 27750 Cooperacion Latino Americana de Redes Av 103.177.50.0/23 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US 103.177.50.0/23 Transit: 15169 GOOGLE, US 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US 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 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 /16:2094 /17:528 /18:522 /19:757 /20:2796 /21:1107 /22:1644 /23:1768 /24:14400 /25:32 /26:29 /27:31 /28:21 /29:68 /30:30 /31:34 /32:5 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 521 545 KENET-AS, KE 16509 399 2384 AMAZON-02, US 14618 325 1014 AMAZON-AES, US 15169 267 913 GOOGLE, US 396982 259 2880 GOOGLE-CLOUD-PLATFORM, US 8895 127 132 ISU Internet Services Unit ISU, SA 27947 85 106 Telconet S.A, EC 23024 37 95 OCDE, US 32440 37 63 LONI, US 3267 34 76 NIKS, RU 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 12:2 13:48 14:92 15:73 16:119 18:85 23:111 24:3 31:5 34:22 35:55 36:1 37:8 38:11 40:5 41:225 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 62:8 63:36 64:154 65:25 66:86 67:68 68:18 69:42 70:41 71:3 72:14 74:153 75:1 76:47 77:12 78:3 79:10 80:13 81:25 82:7 83:7 84:8 85:52 86:5 87:4 88:1 89:21 91:54 92:7 93:45 94:3 95:2 96:7 97:1 98:11 99:48 101:2 102:13 103:319 104:229 107:38 108:111 109:7 111:20 113:2 114:32 115:1 116:11 117:62 118:33 119:23 121:28 122:8 123:8 124:42 125:5 128:56 129:40 130:148 131:63 132:65 133:154 134:108 135:3 136:305 137:66 138:60 139:17 140:44 141:9 142:335 143:26 144:43 145:3 146:147 147:75 148:203 149:18 150:38 151:38 152:150 153:14 154:39 155:85 156:142 157:35 158:38 159:151 160:32 161:32 162:89 163:67 164:21 165:66 166:3 167:21 168:173 169:14 170:155 171:1 172:113 173:111 174:2 175:16 176:3 177:6 178:1 179:10 180:16 182:11 184:9 185:108 186:3 187:17 188:18 189:2 190:3 191:13 192:1514 193:290 194:120 195:75 196:146 197:333 198:489 199:329 200:143 201:34 202:642 203:441 204:402 205:157 206:232 207:253 208:147 209:196 210:219 211:3 212:169 213:17 216:204 217:12 218:21 219:5 220:17 222:2 223:15 End of report