IPv4 R&E Routing Table Report 22:10 GMT Sat 20 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: 25847 Prefixes after maximum aggregation (per Origin AS): 12893 Deaggregation factor: 2.00 Unique aggregates announced (without unneeded subnets): 14540 Number of IPv4 prefixes with a valid ROA: 12985 Number of IPv4 prefixes with an invalid ROA: 177 Number of IPv4 prefixes with no ROA: 12685 Total ASes present in the Internet Routing Table: 2770 Prefixes per ASN: 9.33 Origin-only ASes present in the Internet Routing Table: 2392 Origin ASes announcing only one prefix: 1055 Transit ASes present in the Internet Routing Table: 378 Transit-only ASes present in the Internet Routing Table: 73 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: 45022 Number of 32-bit ASNs visible in the Routing Table: 650 Prefixes from 32-bit ASNs in the Routing Table: 4654 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: 10 Number of addresses announced to Internet: 240117272 Equivalent to 14 /8s, 79 /16s and 230 /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: 3534 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4726 Total APNIC prefixes after maximum aggregation: 2310 APNIC Deaggregation factor: 2.05 Prefixes being announced from the APNIC address blocks: 4786 Unique aggregates announced from the APNIC address blocks: 2709 APNIC Region origin ASes present in the Internet Routing Table: 566 APNIC Prefixes per ASN: 8.46 APNIC Region origin ASes announcing only one prefix: 244 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: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 210 Number of APNIC addresses announced to Internet: 45839680 Equivalent to 2 /8s, 187 /16s and 117 /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: 14992 Total ARIN prefixes after maximum aggregation: 6861 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 14730 Unique aggregates announced from the ARIN address blocks: 7598 ARIN Region origin ASes present in the Internet Routing Table: 1251 ARIN Prefixes per ASN: 11.77 ARIN Region origin ASes announcing only one prefix: 436 ARIN Region transit ASes present in the Internet Routing Table: 157 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: 208 Number of ARIN addresses announced to Internet: 129802961 Equivalent to 7 /8s, 188 /16s and 162 /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: 3605 Total RIPE prefixes after maximum aggregation: 2911 RIPE Deaggregation factor: 1.24 Prefixes being announced from the RIPE address blocks: 3790 Unique aggregates announced from the RIPE address blocks: 3205 RIPE Region origin ASes present in the Internet Routing Table: 682 RIPE Prefixes per ASN: 5.56 RIPE Region origin ASes announcing only one prefix: 305 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: 57761168 Equivalent to 3 /8s, 113 /16s and 93 /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: 1492 Total LACNIC prefixes after maximum aggregation: 657 LACNIC Deaggregation factor: 2.27 Prefixes being announced from the LACNIC address blocks: 1498 Unique aggregates announced from the LACNIC address blocks: 820 LACNIC Region origin ASes present in the Internet Routing Table: 165 LACNIC Prefixes per ASN: 9.08 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: 4281719 Equivalent to 0 /8s, 65 /16s and 85 /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: 1031 Total AfriNIC prefixes after maximum aggregation: 153 AfriNIC Deaggregation factor: 6.74 Prefixes being announced from the AfriNIC address blocks: 1033 Unique aggregates announced from the AfriNIC address blocks: 199 AfriNIC Region origin ASes present in the Internet Routing Table: 32 AfriNIC Prefixes per ASN: 32.28 AfriNIC Region origin ASes announcing only one prefix: 16 AfriNIC Region transit ASes present in the Internet Routing Table: 7 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 10 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 12 Number of AfriNIC addresses announced to Internet: 2419968 Equivalent to 0 /8s, 36 /16s and 237 /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 Informa 7497 444 180 24 CSTNET-AS-AP Computer Network Information 1237 192 74 145 KREONET-AS-KR KISTI, KR 58647 183 18 2 KAGAWAU-AS Kagawa University, JP 7575 172 329 115 AARNET-AS-AP Australian Academic and Rese 55824 131 19 20 NKN-CORE-NW NKN Core Network, IN 4538 129 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 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 2760 3594 409 GOOGLE-CLOUD-PLATFORM, US 16509 2229 1762 988 AMAZON-02, US 14618 982 4180 733 AMAZON-AES, US 15169 829 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 150 507 96 CENIC-2152, 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 680 282 1899 250 DFN Verein zur Foerderung eines Deutschen 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.c 1103 96 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 Tecnolog 553 78 462 78 BELWUE BelWue-Koordination, DE 3267 73 26 63 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 158 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 11340 118 25 55 Red Universitaria Nacional, CL 27947 115 0 88 Telconet S.A, EC 271640 66 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 4270 49 17 3 Red de Interconexion Universitaria, AR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 2715 45 99 34 Fundacao Carlos Chagas Filho de Amparo a 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 448 82 3 KENET-AS, KE 2018 377 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 46 16 1 MoRENet, MZ 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 37215 7 8 1 MAREN, MW 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 2760 3594 409 GOOGLE-CLOUD-PLATFORM, US 16509 2229 1762 988 AMAZON-02, US 14618 982 4180 733 AMAZON-AES, US 15169 829 2007 68 GOOGLE, US 2907 601 2162 465 SINET-AS Research Organization of Informa 36914 448 82 3 KENET-AS, KE 7497 444 180 24 CSTNET-AS-AP Computer Network Information 2018 377 319 71 TENET-1, ZA 680 282 1899 250 DFN Verein zur Foerderung eines Deutschen 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 1241 AMAZON-02, US 15169 829 761 GOOGLE, US 36914 448 445 KENET-AS, KE 7497 444 420 CSTNET-AS-AP Computer Network Information Cente 2018 377 306 TENET-1, ZA 14618 982 249 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 185.137.157.0/24 Origin: 396982 GOOGLE-CLOUD-PLATFORM, US 185.137.157.0/24 Transit: 15169 GOOGLE, 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 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 /16:2106 /17:514 /18:506 /19:736 /20:2811 /21:1075 /22:1609 /23:1749 /24:14100 /25:47 /26:51 /27:70 /28:19 /29:76 /30:34 /31:38 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 438 448 KENET-AS, KE 16509 334 2229 AMAZON-02, US 14618 320 982 AMAZON-AES, US 15169 274 829 GOOGLE, US 396982 221 2760 GOOGLE-CLOUD-PLATFORM, US 8895 131 136 ISU Internet Services Unit ISU, SA 27947 91 115 Telconet S.A, EC 32440 82 116 LONI, US 327700 40 46 MoRENet, MZ 23024 38 96 OCDE, US Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:87 5:21 8:28 12:1 13:45 14:90 15:72 16:115 18:70 23:107 24:3 31:3 34:23 35:49 36:1 38:10 40:5 41:173 42:10 43:2 44:7 45:71 46:11 47:1 49:10 50:5 52:551 54:163 57:1 58:1 59:19 60:6 61:3 62:8 63:37 64:159 65:16 66:75 67:67 68:15 69:45 70:41 71:3 72:11 74:152 75:1 76:47 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 99:47 101:2 102:8 103:319 104:223 107:38 108:111 109:12 111:16 113:2 114:32 115:1 116:10 117:62 118:34 119:23 121:27 122:8 123:8 124:42 125:5 128:84 129:40 130:148 131:65 132:67 133:158 134:107 135:3 136:299 137:66 138:60 139:17 140:44 141:7 142:264 143:26 144:42 145:3 146:145 147:76 148:202 149:17 150:41 151:30 152:139 153:15 154:36 155:77 156:141 157:30 158:44 159:154 160:30 161:29 162:76 163:66 164:24 165:67 166:2 167:25 168:157 169:11 170:154 171:1 172:113 173:118 174:2 175:29 176:10 177:6 178:1 179:11 180:16 182:9 184:7 185:109 186:3 187:17 188:18 189:3 190:3 191:13 192:1521 193:283 194:125 195:74 196:148 197:315 198:468 199:324 200:255 201:36 202:652 203:440 204:385 205:153 206:214 207:233 208:144 209:169 210:212 211:14 212:167 213:17 216:175 217:12 218:22 219:5 220:17 222:2 223:14 End of report