IPv4 R&E Routing Table Report 22:10 GMT Sat 06 Jul, 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: 25943 Prefixes after maximum aggregation (per Origin AS): 12937 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14582 Number of IPv4 prefixes with a valid ROA: 12971 Number of IPv4 prefixes with an invalid ROA: 179 Number of IPv4 prefixes with no ROA: 12793 Total ASes present in the Internet Routing Table: 2802 Prefixes per ASN: 9.26 Origin-only ASes present in the Internet Routing Table: 2417 Origin ASes announcing only one prefix: 1069 Transit ASes present in the Internet Routing Table: 385 Transit-only ASes present in the Internet Routing Table: 77 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: 16 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: 44965 Number of 32-bit ASNs visible in the Routing Table: 674 Prefixes from 32-bit ASNs in the Routing Table: 4697 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: 9 Number of addresses announced to Internet: 240407128 Equivalent to 14 /8s, 84 /16s and 82 /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: 3560 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4733 Total APNIC prefixes after maximum aggregation: 2325 APNIC Deaggregation factor: 2.04 Prefixes being announced from the APNIC address blocks: 4792 Unique aggregates announced from the APNIC address blocks: 2713 APNIC Region origin ASes present in the Internet Routing Table: 581 APNIC Prefixes per ASN: 8.25 APNIC Region origin ASes announcing only one prefix: 249 APNIC Region transit ASes present in the Internet Routing Table: 61 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 14 Number of APNIC region 32-bit ASNs visible in the Routing Table: 228 Number of APNIC addresses announced to Internet: 45792576 Equivalent to 2 /8s, 186 /16s and 189 /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: 15056 Total ARIN prefixes after maximum aggregation: 6888 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 14800 Unique aggregates announced from the ARIN address blocks: 7631 ARIN Region origin ASes present in the Internet Routing Table: 1264 ARIN Prefixes per ASN: 11.71 ARIN Region origin ASes announcing only one prefix: 444 ARIN Region transit ASes present in the Internet Routing Table: 162 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: 214 Number of ARIN addresses announced to Internet: 130132209 Equivalent to 7 /8s, 193 /16s and 168 /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, 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: 3603 Total RIPE prefixes after maximum aggregation: 2909 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3784 Unique aggregates announced from the RIPE address blocks: 3202 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.55 RIPE Region origin ASes announcing only one prefix: 306 RIPE Region transit ASes present in the Internet Routing Table: 104 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: 154 Number of RIPE addresses announced to Internet: 57759632 Equivalent to 3 /8s, 113 /16s and 87 /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, 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: 1504 Total LACNIC prefixes after maximum aggregation: 662 LACNIC Deaggregation factor: 2.27 Prefixes being announced from the LACNIC address blocks: 1510 Unique aggregates announced from the LACNIC address blocks: 833 LACNIC Region origin ASes present in the Internet Routing Table: 166 LACNIC Prefixes per ASN: 9.10 LACNIC Region origin ASes announcing only one prefix: 54 LACNIC Region transit ASes present in the Internet Routing Table: 28 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: 66 Number of LACNIC addresses announced to Internet: 4285079 Equivalent to 0 /8s, 65 /16s and 98 /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: 1046 Total AfriNIC prefixes after maximum aggregation: 152 AfriNIC Deaggregation factor: 6.88 Prefixes being announced from the AfriNIC address blocks: 1048 Unique aggregates announced from the AfriNIC address blocks: 195 AfriNIC Region origin ASes present in the Internet Routing Table: 31 AfriNIC Prefixes per ASN: 33.81 AfriNIC Region origin ASes announcing only one prefix: 16 AfriNIC Region transit ASes present in the Internet Routing Table: 8 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12 Number of AfriNIC addresses announced to Internet: 2426112 Equivalent to 0 /8s, 37 /16s and 5 /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 601 2162 465 SINET-AS Research Organization of Infor 7497 446 180 24 CSTNET-AS-AP Computer Network Informati 1237 193 74 142 KREONET-AS-KR KISTI, KR 58647 183 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Re 55824 132 19 20 NKN-CORE-NW NKN Core Network, IN 4538 129 4192 72 ERX-CERNET-BKB China Education and Rese 4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T 4621 69 37 10 UNINET-AS-AP UNINET-, TH 23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR 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 2768 3611 416 GOOGLE-CLOUD-PLATFORM, US 16509 2229 1763 986 AMAZON-02, US 14618 969 4179 724 AMAZON-AES, US 15169 830 2007 68 GOOGLE, US 376 202 162 151 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 176 34 7 LACOE, US 270 162 345 88 AS270, US 2152 146 507 93 CSUNET-NW, US 18558 140 18 4 NETBLK-RCOEK, 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 250 DFN Verein zur Foerderung eines Deutsch 786 184 1767 181 JANET Jisc Services Limited, GB 8895 136 24 5 ISU Internet Services Unit ISU, SA 559 113 533 103 SWITCH Peering requests: peering@switch 1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL 2614 91 26 71 ROEDUNET, RO 137 82 677 77 ASGARR Consortium GARR, IT 1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 76 26 66 RUNNET, 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 158 176 44 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, 11340 118 25 55 Red Universitaria Nacional, CL 27947 116 0 88 Telconet S.A, EC 271640 64 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 17 3 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, B 2715 46 99 35 Fundacao Carlos Chagas Filho de Amparo 3596 40 8 4 Universidad Autonoma Metropolitana, MX 28614 38 2 2 Fundacao Universidade Regional de Blume 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 441 82 3 KENET-AS, KE 2018 376 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 44 16 1 MoRENet, MZ 37215 36 8 1 MAREN, MW 6879 24 2 9 ENSTINET-, EG 37661 13 8 5 NRaE1-AS, NG 37182 11 8 1 TERNET, TZ 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 2768 3611 416 GOOGLE-CLOUD-PLATFORM, US 16509 2229 1763 986 AMAZON-02, US 14618 969 4179 724 AMAZON-AES, US 15169 830 2007 68 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Infor 7497 446 180 24 CSTNET-AS-AP Computer Network Informati 36914 441 82 3 KENET-AS, KE 2018 376 319 71 TENET-1, ZA 680 283 1899 250 DFN Verein zur Foerderung eines Deutsch 376 202 162 151 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 2229 1243 AMAZON-02, US 15169 830 762 GOOGLE, US 36914 441 438 KENET-AS, KE 7497 446 422 CSTNET-AS-AP Computer Network Information Cente 2018 376 305 TENET-1, ZA 14618 969 245 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 183 181 KAGAWAU-AS Kagawa University, JP 2920 176 169 LACOE, US 2907 601 136 SINET-AS Research Organization of Information a 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 164.160.192.0/21 Origin: 37661 NRaE1-AS, NG 164.160.192.0/21 Transit: 37288 WACREN, SN 170.39.88.0/24 Origin: 14618 AMAZON-AES, US 170.39.88.0/24 Transit: 16509 AMAZON-02, US 192.31.196.0/24 Origin: 112 RESERVED, ZZ 192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL 198.135.168.0/24 Origin: 14618 AMAZON-AES, US 198.135.168.0/24 Transit: 16509 AMAZON-02, US 199.91.149.0/24 Origin: 14618 AMAZON-AES, US 199.91.149.0/24 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 /12:19 /13:35 /14:81 /15:158 /16:2109 /17:513 /18:505 /19:740 /20:2814 /21:1077 /22:1613 /23:1767 /24:14155 /25:49 /26:53 /27:72 /28:21 /29:77 /30:34 /31:38 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 431 441 KENET-AS, KE 16509 331 2229 AMAZON-02, US 14618 313 969 AMAZON-AES, US 15169 275 830 GOOGLE, US 396982 223 2768 GOOGLE-CLOUD-PLATFORM, US 8895 131 136 ISU Internet Services Unit ISU, SA 27947 92 116 Telconet S.A, EC 32440 82 116 LONI, US 327700 39 44 MoRENet, MZ 23024 37 94 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:88 5:21 8:28 12:1 13:46 14:91 15:72 16:115 18:70 23:108 24:3 31:3 34:23 35:49 36:1 38:10 40:5 41:200 42:10 43:2 44:7 45:69 46:11 47:1 49:10 50:4 52:551 54:163 57:1 58:1 59:19 60:6 61:3 62:9 63:37 64:159 65:16 66:75 67:65 68:15 69:44 70:42 71:3 72:11 74:152 75:1 76:45 77:12 78:3 79:10 80:15 81:25 82:6 83:7 84:7 85:46 86:5 87:4 88:1 89:20 91:59 92:7 93:5 94:2 95:2 96:7 97:1 98:10 99:47 101:2 102:4 103:343 104:229 107:35 108:110 109:12 111:16 114:32 115:1 116:10 117:62 118:34 119:23 121:27 122:8 123:8 124:42 125:5 128:84 129:44 130:149 131:65 132:67 133:158 134:108 135:3 136:299 137:66 138:60 139:17 140:44 141:7 142:265 143:25 144:42 145:3 146:146 147:77 148:202 149:17 150:41 151:27 152:140 153:15 154:36 155:78 156:141 157:30 158:43 159:154 160:30 161:29 162:77 163:66 164:24 165:66 166:1 167:25 168:158 169:11 170:154 171:1 172:113 173:117 174:2 175:25 176:10 177:6 178:1 179:11 180:16 182:1 184:7 185:109 186:3 187:17 188:18 189:3 190:3 191:13 192:1526 193:283 194:127 195:73 196:147 197:307 198:487 199:324 200:257 201:36 202:638 203:435 204:384 205:155 206:214 207:234 208:146 209:169 210:211 211:14 212:167 213:17 216:190 217:12 218:22 219:5 220:17 222:2 223:14 End of report