IPv4 R&E Routing Table Report 22:10 GMT Mon 02 Sep, 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: 26218 Prefixes after maximum aggregation (per Origin AS): 13053 Deaggregation factor: 2.01 Unique aggregates announced (without unneeded subnets): 14805 Number of IPv4 prefixes with a valid ROA: 13340 Number of IPv4 prefixes with an invalid ROA: 165 Number of IPv4 prefixes with no ROA: 12713 Total ASes present in the Internet Routing Table: 2785 Prefixes per ASN: 9.41 Origin-only ASes present in the Internet Routing Table: 2412 Origin ASes announcing only one prefix: 1072 Transit ASes present in the Internet Routing Table: 373 Transit-only ASes present in the Internet Routing Table: 64 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: 19 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: 45296 Number of 32-bit ASNs visible in the Routing Table: 692 Prefixes from 32-bit ASNs in the Routing Table: 4830 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: 242236272 Equivalent to 14 /8s, 112 /16s and 59 /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: 3638 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 4744 Total APNIC prefixes after maximum aggregation: 2335 APNIC Deaggregation factor: 2.03 Prefixes being announced from the APNIC address blocks: 4805 Unique aggregates announced from the APNIC address blocks: 2743 APNIC Region origin ASes present in the Internet Routing Table: 584 APNIC Prefixes per ASN: 8.23 APNIC Region origin ASes announcing only one prefix: 246 APNIC Region transit ASes present in the Internet Routing Table: 62 Average APNIC Region AS path length visible: 5.8 Max APNIC Region AS path length visible: 16 Number of APNIC region 32-bit ASNs visible in the Routing Table: 232 Number of APNIC addresses announced to Internet: 45911106 Equivalent to 2 /8s, 188 /16s and 140 /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: 15202 Total ARIN prefixes after maximum aggregation: 7018 ARIN Deaggregation factor: 2.17 Prefixes being announced from the ARIN address blocks: 14929 Unique aggregates announced from the ARIN address blocks: 7815 ARIN Region origin ASes present in the Internet Routing Table: 1262 ARIN Prefixes per ASN: 11.83 ARIN Region origin ASes announcing only one prefix: 445 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: 213 Number of ARIN addresses announced to Internet: 129889121 Equivalent to 7 /8s, 189 /16s and 243 /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: 3586 Total RIPE prefixes after maximum aggregation: 2876 RIPE Deaggregation factor: 1.25 Prefixes being announced from the RIPE address blocks: 3780 Unique aggregates announced from the RIPE address blocks: 3170 RIPE Region origin ASes present in the Internet Routing Table: 666 RIPE Prefixes per ASN: 5.68 RIPE Region origin ASes announcing only one prefix: 299 RIPE Region transit ASes present in the Internet Routing Table: 102 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 15 Number of RIPE region 32-bit ASNs visible in the Routing Table: 155 Number of RIPE addresses announced to Internet: 59733648 Equivalent to 3 /8s, 143 /16s and 118 /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: 1500 Total LACNIC prefixes after maximum aggregation: 634 LACNIC Deaggregation factor: 2.37 Prefixes being announced from the LACNIC address blocks: 1505 Unique aggregates announced from the LACNIC address blocks: 802 LACNIC Region origin ASes present in the Internet Routing Table: 154 LACNIC Prefixes per ASN: 9.77 LACNIC Region origin ASes announcing only one prefix: 49 LACNIC Region transit ASes present in the Internet Routing Table: 25 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 13 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 61 Number of LACNIC addresses announced to Internet: 4198717 Equivalent to 0 /8s, 64 /16s and 17 /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: 1185 Total AfriNIC prefixes after maximum aggregation: 189 AfriNIC Deaggregation factor: 6.27 Prefixes being announced from the AfriNIC address blocks: 1189 Unique aggregates announced from the AfriNIC address blocks: 266 AfriNIC Region origin ASes present in the Internet Routing Table: 54 AfriNIC Prefixes per ASN: 22.02 AfriNIC Region origin ASes announcing only one prefix: 33 AfriNIC Region transit ASes present in the Internet Routing Table: 10 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31 Number of AfriNIC addresses announced to Internet: 2491904 Equivalent to 0 /8s, 38 /16s and 6 /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 598 2169 465 SINET-AS Research Organization of Informa 7497 449 212 25 CSTNET-AS-AP Computer Network Information 1237 192 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 132 18 19 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 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 2796 3568 425 GOOGLE-CLOUD-PLATFORM, US 16509 2300 1739 1028 AMAZON-02, US 14618 1002 4180 749 AMAZON-AES, US 15169 824 2007 68 GOOGLE, US 376 199 162 149 RISQ-AS, CA 5786 198 16 1 UPRENET, PR 2920 175 34 7 LACOE, US 270 162 345 88 AS270, US 2152 150 507 97 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 249 DFN Verein zur Foerderung eines Deutschen 786 185 1767 182 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 97 2015 84 SURFNET-NL SURFnet, The Netherlands, NL 2614 90 26 70 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 1916 199 176 43 Rede Nacional de Ensino e Pesquisa, BR 28391 153 10 67 Universidad Juarez Autonoma de Tabasco, M 11340 117 25 56 Red Universitaria Nacional, CL 27947 112 0 87 Telconet S.A, EC 271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR 19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR 4270 46 16 1 Red de Interconexion Universitaria, AR 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 523 82 3 KENET-AS, KE 2018 381 319 71 TENET-1, ZA 8094 47 48 18 PUKNET, ZA 327700 47 16 1 MoRENet, MZ 37182 42 3 13 TERNET, TZ 6879 24 2 9 ENSTINET-, EG 37074 15 8 2 UG-AS, GH 37661 13 8 5 NRaE1-AS, NG 37215 11 8 1 MAREN, MW 37501 11 49 6 UOFS, 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 2796 3568 425 GOOGLE-CLOUD-PLATFORM, US 16509 2300 1739 1028 AMAZON-02, US 14618 1002 4180 749 AMAZON-AES, US 15169 824 2007 68 GOOGLE, US 2907 598 2169 465 SINET-AS Research Organization of Informa 36914 523 82 3 KENET-AS, KE 7497 449 212 25 CSTNET-AS-AP Computer Network Information 2018 381 319 71 TENET-1, ZA 680 282 1899 249 DFN Verein zur Foerderung eines Deutschen 376 199 162 149 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 2300 1272 AMAZON-02, US 15169 824 756 GOOGLE, US 36914 523 520 KENET-AS, KE 7497 449 424 CSTNET-AS-AP Computer Network Information Cente 2018 381 310 TENET-1, ZA 14618 1002 253 AMAZON-AES, US 5786 198 197 UPRENET, PR 58647 180 178 KAGAWAU-AS Kagawa University, JP 2920 175 168 LACOE, US 1916 199 156 Rede Nacional de Ensino e Pesquisa, BR 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 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 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 /11:5 /12:19 /13:35 /14:81 /15:159 /16:2104 /17:513 /18:508 /19:751 /20:2804 /21:1087 /22:1648 /23:1770 /24:14431 /25:39 /26:55 /27:35 /28:20 /29:75 /30:31 /31:39 /32:7 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 36914 500 523 KENET-AS, KE 16509 340 2300 AMAZON-02, US 14618 323 1002 AMAZON-AES, US 15169 268 824 GOOGLE, US 396982 233 2796 GOOGLE-CLOUD-PLATFORM, US 8895 131 136 ISU Internet Services Unit ISU, SA 27947 90 112 Telconet S.A, EC 37182 42 42 TERNET, TZ 327700 41 47 MoRENet, MZ 1916 39 199 Rede Nacional de Ensino e Pesquisa, BR Complete listing at https://bgp.nsrc.org/REN/CEDIA/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2 3:102 5:22 8:28 12:1 13:48 14:91 15:72 16:119 18:81 23:109 24:3 31:5 34:23 35:49 36:1 37:8 38:10 40:5 41:266 42:10 43:2 44:7 45:71 46:11 47:1 49:11 50:7 52:551 54:163 57:1 58:1 59:19 60:6 61:3 62:8 63:37 64:156 65:16 66:77 67:69 68:17 69:39 70:42 71:3 72:13 74:153 75:1 76:47 77:12 78:3 79:10 80:14 81:25 82:6 83:7 84:7 85:48 86:5 87:4 88:1 89:20 91:55 92:7 93:13 94:2 95:2 96:7 97:1 98:10 99:47 101:2 102:16 103:352 104:226 107:38 108:115 109:8 111:16 113:2 114:32 115:1 116:11 117:62 118:34 119:23 121:28 122:8 123:8 124:42 125:5 128:84 129:40 130:148 131:65 132:67 133:154 134:108 135:3 136:304 137:66 138:59 139:18 140:41 141:7 142:266 143:24 144:42 145:3 146:145 147:76 148:202 149:18 150:41 151:37 152:147 153:15 154:37 155:82 156:142 157:24 158:43 159:157 160:30 161:30 162:81 163:67 164:24 165:65 166:2 167:21 168:170 169:13 170:153 171:1 172:113 173:110 174:2 175:17 176:2 177:5 178:1 179:10 180:16 182:9 184:8 185:109 186:3 187:17 188:18 189:3 190:3 191:13 192:1529 193:283 194:123 195:72 196:151 197:319 198:497 199:327 200:281 201:35 202:642 203:431 204:398 205:153 206:228 207:254 208:144 209:173 210:222 211:14 212:167 213:17 216:195 217:12 218:22 219:5 220:17 222:2 223:15 End of report