IPv4 R&E Routing Table Report 18:35 GMT Sun 05 Mar, 2023 IPv4 BGP Table (Global) as seen at RENU. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/RENU/ Analysis Summary ---------------- BGP routing table entries examined: 929592 Prefixes after maximum aggregation (per Origin AS): 346231 Deaggregation factor: 2.68 Unique aggregates announced (without unneeded subnets): 445635 Number of IPv4 prefixes with a valid ROA: 386486 Number of IPv4 prefixes with an invalid ROA: 1469 Number of IPv4 prefixes with no ROA: 541637 Total ASes present in the Internet Routing Table: 74200 Prefixes per ASN: 12.53 Origin-only ASes present in the Internet Routing Table: 63583 Origin ASes announcing only one prefix: 25654 Transit ASes present in the Internet Routing Table: 10617 Transit-only ASes present in the Internet Routing Table: 453 Paths with bogon ASNs present in the IPv4 Routing Table: 136 Average AS path length visible in the Internet Routing Table: 5.8 Max AS path length visible: 164 Max AS path prepend of ASN ( 51156) 160 Prefixes from unregistered ASNs in the Routing Table: 1154 Number of instances of unregistered ASNs: 1171 Number of 32-bit ASNs allocated by the RIRs: 41374 Number of 32-bit ASNs visible in the Routing Table: 34271 Prefixes from 32-bit ASNs in the Routing Table: 174353 Number of bogon 32-bit ASNs visible in the Routing Table: 89 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 556 Number of addresses announced to Internet: 3063914752 Equivalent to 182 /8s, 159 /16s and 161 /24s Percentage of available address space announced: 82.8 Percentage of allocated address space announced: 82.8 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: 316025 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237817 Total APNIC prefixes after maximum aggregation: 68295 APNIC Deaggregation factor: 3.48 Prefixes being announced from the APNIC address blocks: 232428 Unique aggregates announced from the APNIC address blocks: 97624 APNIC Region origin ASes present in the Internet Routing Table: 13303 APNIC Prefixes per ASN: 17.47 APNIC Region origin ASes announcing only one prefix: 3869 APNIC Region transit ASes present in the Internet Routing Table: 1796 Average APNIC Region AS path length visible: 6.1 Max APNIC Region AS path length visible: 31 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8608 Number of APNIC addresses announced to Internet: 773237760 Equivalent to 46 /8s, 22 /16s and 172 /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, 131072-151865 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: 269883 Total ARIN prefixes after maximum aggregation: 121885 ARIN Deaggregation factor: 2.21 Prefixes being announced from the ARIN address blocks: 272137 Unique aggregates announced from the ARIN address blocks: 130267 ARIN Region origin ASes present in the Internet Routing Table: 19074 ARIN Prefixes per ASN: 14.27 ARIN Region origin ASes announcing only one prefix: 6984 ARIN Region transit ASes present in the Internet Routing Table: 1973 Average ARIN Region AS path length visible: 5.4 Max ARIN Region AS path length visible: 37 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4752 Number of ARIN addresses announced to Internet: 1286823680 Equivalent to 76 /8s, 179 /16s and 95 /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, 393216-401308 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: 260761 Total RIPE prefixes after maximum aggregation: 121229 RIPE Deaggregation factor: 2.15 Prefixes being announced from the RIPE address blocks: 256963 Unique aggregates announced from the RIPE address blocks: 156437 RIPE Region origin ASes present in the Internet Routing Table: 28258 RIPE Prefixes per ASN: 9.09 RIPE Region origin ASes announcing only one prefix: 11976 RIPE Region transit ASes present in the Internet Routing Table: 3984 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 164 Number of RIPE region 32-bit ASNs visible in the Routing Table: 11062 Number of RIPE addresses announced to Internet: 718553088 Equivalent to 42 /8s, 212 /16s and 64 /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 196608-213403 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: 127909 Total LACNIC prefixes after maximum aggregation: 28179 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 127146 Unique aggregates announced from the LACNIC address blocks: 48810 LACNIC Region origin ASes present in the Internet Routing Table: 10982 LACNIC Prefixes per ASN: 11.58 LACNIC Region origin ASes announcing only one prefix: 2274 LACNIC Region transit ASes present in the Internet Routing Table: 2307 Average LACNIC Region AS path length visible: 6.4 Max LACNIC Region AS path length visible: 56 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8778 Number of LACNIC addresses announced to Internet: 176494592 Equivalent to 10 /8s, 133 /16s and 24 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-273820 + 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: 32068 Total AfriNIC prefixes after maximum aggregation: 5830 AfriNIC Deaggregation factor: 5.50 Prefixes being announced from the AfriNIC address blocks: 40362 Unique aggregates announced from the AfriNIC address blocks: 12068 AfriNIC Region origin ASes present in the Internet Routing Table: 1725 AfriNIC Prefixes per ASN: 23.40 AfriNIC Region origin ASes announcing only one prefix: 551 AfriNIC Region transit ASes present in the Internet Routing Table: 331 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1071 Number of AfriNIC addresses announced to Internet: 108475136 Equivalent to 6 /8s, 119 /16s and 51 /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 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 7545 5798 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3682 1331 21 VIETEL-AS-AP Viettel Group, VN 45899 3457 1872 94 VNPT-AS-VN VNPT Corp, VN 7713 3408 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon 9498 2806 499 240 BBIL-AP BHARTI Airtel Ltd., IN 24560 2360 836 440 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4766 2306 11250 586 KIXS-AS-KR Korea Telecom, KR 45090 2166 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2146 439 211 TATACOMM-AS TATA Communications formerl Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 8063 10757 2864 AMAZON-02, US 11492 4522 300 620 CABLEONE, US 7155 3959 270 43 VIASAT-SP-BACKBONE, US 22773 3650 3048 289 ASN-CXA-ALL-CCI-22773-RDC, US 6327 3505 1320 64 SHAW, CA 16625 3312 1663 2438 AKAMAI-AS, US 749 3039 50554 2306 DNIC-AS-00749, US 396982 2620 3586 356 GOOGLE-CLOUD-PLATFORM, US 7018 2573 24120 1580 ATT-INTERNET4, US 30036 2538 364 403 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7063 1706 146 UNI2-AS, ES 39891 4561 269 58 ALJAWWALSTC-AS, SA 20940 4053 3399 169 AKAMAI-ASN1, NL 8551 3899 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2892 2292 911 ROSTELECOM-AS, RU 9009 2655 252 1389 M247, RO 34984 2262 359 607 TELLCOM-AS, TR 6849 2169 339 19 UKRTELNET, UA 58224 1846 949 546 TCI, IR 13188 1607 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11227 3349 585 Uninet S.A. de C.V., MX 10620 3466 504 876 Telmex Colombia S.A., CO 13999 2265 369 600 Mega Cable, S.A. de C.V., MX 11830 2263 369 64 Instituto Costarricense de Electricidad 28573 1335 2323 251 Claro NXT Telecomunicacoes Ltda, BR 3816 1284 746 169 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6503 1281 339 509 Axtel, S.A.B. de C.V., MX 6147 1129 370 22 Telefonica del Peru S.A.A., PE 11664 1096 180 459 Techtel LMDS Comunicaciones Interactiva 26615 1027 2498 45 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1551 393 19 LINKdotNET-AS, EG 24835 1528 533 30 RAYA-AS, EG 36992 1345 1517 276 ETISALAT-MISR, EG 36903 1242 550 99 MT-MPLS, MA 29571 1010 67 53 ORANGE-COTE-IVOIRE, CI 36935 854 520 42 Vodafone-, EG 37457 838 325 49 Telkom-Internet, ZA 6713 549 1861 34 IAM-AS, MA 15399 515 53 40 WANANCHI-, KE 24757 493 73 5 EthioNet-AS, ET Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 11227 3349 585 Uninet S.A. de C.V., MX 9808 9453 8883 48 CHINAMOBILE-CN China Mobile Communicati 16509 8063 10757 2864 AMAZON-02, US 12479 7063 1706 146 UNI2-AS, ES 7545 5798 786 692 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 269 58 ALJAWWALSTC-AS, SA 11492 4522 300 620 CABLEONE, US 20940 4053 3399 169 AKAMAI-ASN1, NL 7155 3959 270 43 VIASAT-SP-BACKBONE, US 8551 3899 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne Complete listing at https://bgp.nsrc.org/REN/RENU/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9453 9405 CHINAMOBILE-CN China Mobile Communications Grou 12479 7063 6917 UNI2-AS, ES 16509 8063 5199 AMAZON-02, US 7545 5798 5106 TPG-INTERNET-AP TPG Telecom Limited, AU 39891 4561 4503 ALJAWWALSTC-AS, SA 7155 3959 3916 VIASAT-SP-BACKBONE, US 11492 4522 3902 CABLEONE, US 20940 4053 3884 AKAMAI-ASN1, NL 8551 3899 3862 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 7552 3682 3661 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/RENU/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 3507 UNALLOCATED 5.105.166.0/24 213035 AS-SERVERION Serverion B.V., 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 16641 UNALLOCATED 8.10.194.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.10.210.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US Complete listing at https://bgp.nsrc.org/REN/RENU/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.131.185.0/24 Origin: 174 COGENT-174, US 23.131.185.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.186.0/24 Origin: 174 COGENT-174, US 23.131.186.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.187.0/24 Origin: 174 COGENT-174, US 23.131.187.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.131.188.0/24 Origin: 174 COGENT-174, US 23.131.188.0/24 Transit: 36944 UBUNTU-UNICAST-AS, MW 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR Complete listing at https://bgp.nsrc.org/REN/RENU/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 /8:16 /9:13 /10:38 /11:103 /12:300 /13:579 /14:1210 /15:2101 /16:13554 /17:8328 /18:14028 /19:25224 /20:43866 /21:52289 /22:110477 /23:100766 /24:556700 /25:0 /26:0 /27:0 /28:0 /29:0 /30:0 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 6120 7063 UNI2-AS, ES 8151 5230 11227 Uninet S.A. de C.V., MX 39891 3552 4561 ALJAWWALSTC-AS, SA 11492 3437 4522 CABLEONE, US 8551 3371 3899 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3313 3505 SHAW, CA 7155 3036 3959 VIASAT-SP-BACKBONE, US 22773 2697 3650 ASN-CXA-ALL-CCI-22773-RDC, US 30036 2195 2538 MEDIACOM-ENTERPRISE-BUSINESS, US 10620 2020 3466 Telmex Colombia S.A., CO Complete listing at https://bgp.nsrc.org/REN/RENU/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1657 2:1224 3:168 4:7 5:4434 6:117 7:6 8:1559 9:1 11:172 12:1581 13:393 14:2330 15:293 16:111 17:367 18:399 20:253 21:4 22:188 23:6108 24:2552 25:4 27:2604 29:19 31:2539 32:114 34:8 35:106 36:1918 37:4640 38:4386 39:867 40:152 41:4497 42:1082 43:2343 44:311 45:17534 46:4216 47:379 49:1736 50:1837 51:387 52:1589 54:388 55:868 56:8 57:99 58:1744 59:1117 60:980 61:2503 62:2722 63:1947 64:5654 65:2338 66:5015 67:3064 68:1377 69:4174 70:1270 71:671 72:3039 74:2619 75:1465 76:597 77:2518 78:1909 79:3173 80:2082 81:1756 82:1507 83:1246 84:1522 85:3043 86:753 87:2048 88:1285 89:3652 90:612 91:7766 92:2018 93:2594 94:3570 95:3978 96:1329 97:331 98:1169 99:744 100:77 101:1295 102:2981 103:31169 104:4622 105:898 106:886 107:2547 108:942 109:4409 110:2090 111:3267 112:2042 113:1526 114:1633 115:2091 116:1904 117:2577 118:2277 119:1970 120:1742 121:1057 122:2608 123:2181 124:1538 125:2363 128:1356 129:1135 130:1012 131:2175 132:839 133:421 134:1907 135:342 136:864 137:951 138:2866 139:1547 140:1198 141:1475 142:1434 143:1566 144:1214 145:356 146:1922 147:1571 148:2313 149:1940 150:932 151:1147 152:1965 153:570 154:4299 155:1437 156:1683 157:1307 158:1015 159:2270 160:2658 161:1447 162:3587 163:1551 164:1627 165:1725 166:854 167:1743 168:4097 169:955 170:4928 171:884 172:3529 173:2976 174:1013 175:1184 176:3789 177:5982 178:3642 179:2593 180:2392 181:3470 182:3309 183:1918 184:2350 185:20249 186:5101 187:4534 188:4245 189:3978 190:9227 191:1972 192:10992 193:8842 194:7288 195:5191 196:3277 197:2739 198:5967 199:6135 200:8044 201:6104 202:10513 203:10311 204:4600 205:3535 206:3928 207:3438 208:4095 209:4878 210:4260 211:2402 212:4142 213:3575 214:1093 215:55 216:6640 217:2747 218:1281 219:415 220:1762 221:974 222:670 223:2121 End of report