IPv4 R&E Routing Table Report 23:00 GMT Thu 20 Oct, 2022 IPv4 BGP Table (Global) as seen at London. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/London/ Analysis Summary ---------------- BGP routing table entries examined: 897003 Prefixes after maximum aggregation (per Origin AS): 341573 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 440047 Number of IPv4 prefixes with a valid ROA: 356672 Number of IPv4 prefixes with an invalid ROA: 1624 Number of IPv4 prefixes with no ROA: 538707 Total ASes present in the Internet Routing Table: 73598 Prefixes per ASN: 12.19 Origin-only ASes present in the Internet Routing Table: 63242 Origin ASes announcing only one prefix: 25998 Transit ASes present in the Internet Routing Table: 10356 Transit-only ASes present in the Internet Routing Table: 411 Paths with bogon ASNs present in the IPv4 Routing Table: 28 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 1059 Number of instances of unregistered ASNs: 1062 Number of 32-bit ASNs allocated by the RIRs: 40435 Number of 32-bit ASNs visible in the Routing Table: 33500 Prefixes from 32-bit ASNs in the Routing Table: 161458 Number of bogon 32-bit ASNs visible in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 526 Number of addresses announced to Internet: 3063688192 Equivalent to 182 /8s, 156 /16s and 44 /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: 301755 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 231961 Total APNIC prefixes after maximum aggregation: 67203 APNIC Deaggregation factor: 3.45 Prefixes being announced from the APNIC address blocks: 227002 Unique aggregates announced from the APNIC address blocks: 96649 APNIC Region origin ASes present in the Internet Routing Table: 12952 APNIC Prefixes per ASN: 17.53 APNIC Region origin ASes announcing only one prefix: 3726 APNIC Region transit ASes present in the Internet Routing Table: 1754 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 27 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8253 Number of APNIC addresses announced to Internet: 773201664 Equivalent to 46 /8s, 22 /16s and 31 /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: 265314 Total ARIN prefixes after maximum aggregation: 121191 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 266518 Unique aggregates announced from the ARIN address blocks: 128601 ARIN Region origin ASes present in the Internet Routing Table: 18999 ARIN Prefixes per ASN: 14.03 ARIN Region origin ASes announcing only one prefix: 6959 ARIN Region transit ASes present in the Internet Routing Table: 1867 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 36 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4632 Number of ARIN addresses announced to Internet: 1289925888 Equivalent to 76 /8s, 226 /16s and 181 /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: 253596 Total RIPE prefixes after maximum aggregation: 118990 RIPE Deaggregation factor: 2.13 Prefixes being announced from the RIPE address blocks: 250408 Unique aggregates announced from the RIPE address blocks: 154084 RIPE Region origin ASes present in the Internet Routing Table: 28169 RIPE Prefixes per ASN: 8.89 RIPE Region origin ASes announcing only one prefix: 12020 RIPE Region transit ASes present in the Internet Routing Table: 3995 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 40 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10854 Number of RIPE addresses announced to Internet: 716389120 Equivalent to 42 /8s, 179 /16s and 59 /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: 116308 Total LACNIC prefixes after maximum aggregation: 27814 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 115829 Unique aggregates announced from the LACNIC address blocks: 48373 LACNIC Region origin ASes present in the Internet Routing Table: 10976 LACNIC Prefixes per ASN: 10.55 LACNIC Region origin ASes announcing only one prefix: 2694 LACNIC Region transit ASes present in the Internet Routing Table: 2237 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 48 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8740 Number of LACNIC addresses announced to Internet: 175943168 Equivalent to 10 /8s, 124 /16s and 174 /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: 28765 Total AfriNIC prefixes after maximum aggregation: 5594 AfriNIC Deaggregation factor: 5.14 Prefixes being announced from the AfriNIC address blocks: 36720 Unique aggregates announced from the AfriNIC address blocks: 11917 AfriNIC Region origin ASes present in the Internet Routing Table: 1697 AfriNIC Prefixes per ASN: 21.64 AfriNIC Region origin ASes announcing only one prefix: 599 AfriNIC Region transit ASes present in the Internet Routing Table: 324 Average AfriNIC Region AS path length visible: 4.9 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1021 Number of AfriNIC addresses announced to Internet: 107928320 Equivalent to 6 /8s, 110 /16s and 219 /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 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5929 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3594 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3517 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3385 1877 66 VNPT-AS-VN VNPT Corp, VN 9498 2478 499 237 BBIL-AP BHARTI Airtel Ltd., IN 4766 2291 11251 594 KIXS-AS-KR Korea Telecom, KR 24560 2241 851 415 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 4755 2152 426 222 TATACOMM-AS TATA Communications formerl 45090 2144 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 7395 10580 2903 AMAZON-02, US 11492 4612 305 508 CABLEONE, US 7155 3899 265 32 VIASAT-SP-BACKBONE, US 22773 3765 3065 345 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3537 1846 2540 AKAMAI-AS, US 6327 3494 1320 63 SHAW, CA 749 3027 50696 2294 DNIC-AS-00749, US 7018 2636 24155 1593 ATT-INTERNET4, US 30036 2600 367 258 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2553 3479 346 GOOGLE-CLOUD-PLATFORM, US Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6907 1730 144 UNI2-AS, ES 20940 4096 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 12389 2891 2290 912 ROSTELECOM-AS, RU 9009 2617 252 1344 M247, RO 6849 2477 339 20 UKRTELNET, UA 34984 2241 357 615 TELLCOM-AS, TR 58224 1697 912 634 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10852 3338 599 Uninet S.A. de C.V., MX 10620 3471 510 838 Telmex Colombia S.A., CO 11830 2302 369 64 Instituto Costarricense de Electricidad 13999 2072 338 539 Mega Cable, S.A. de C.V., MX 28573 1349 2329 259 Claro NXT Telecomunicacoes Ltda, BR 6503 1294 338 520 Axtel, S.A.B. de C.V., MX 3816 1285 722 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1089 369 22 Telefonica del Peru S.A.A., PE 11664 1089 181 466 Techtel LMDS Comunicaciones Interactiva 26615 986 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1574 393 21 LINKdotNET-AS, EG 24835 1518 521 31 RAYA-AS, EG 36992 1350 1519 270 ETISALAT-MISR, EG 36903 1259 550 98 MT-MPLS, MA 29571 1014 68 32 ORANGE-COTE-IVOIRE, CI 36935 815 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 526 53 42 WANANCHI-, KE 37342 494 32 1 MOVITEL, MZ 23889 399 231 14 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10852 3338 599 Uninet S.A. de C.V., MX 9808 9061 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 7395 10580 2903 AMAZON-02, US 12479 6907 1730 144 UNI2-AS, ES 7545 5929 786 694 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4612 305 508 CABLEONE, US 20940 4096 3399 172 AKAMAI-ASN1, NL 39891 4010 234 47 ALJAWWALSTC-AS, SA 8551 3984 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3899 265 32 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/London/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9061 9014 CHINAMOBILE-CN China Mobile Communications Grou 12479 6907 6763 UNI2-AS, ES 7545 5929 5235 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 7395 4492 AMAZON-02, US 11492 4612 4104 CABLEONE, US 39891 4010 3963 ALJAWWALSTC-AS, SA 8551 3984 3946 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4096 3924 AKAMAI-ASN1, NL 7155 3899 3867 VIASAT-SP-BACKBONE, US 7552 3594 3574 VIETEL-AS-AP Viettel Group, VN Complete listing at https://bgp.nsrc.org/REN/London/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 398083 UNALLOCATED 5.133.124.0/24 399587 UT, US 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 25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US 16641 UNALLOCATED 8.12.250.0/24 3356 LEVEL3, US 25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US 12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M 25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US 53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US Complete listing at https://bgp.nsrc.org/REN/London/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.136.112.0/24 Origin: 54835 UNASSIGNED 23.136.112.0/24 Transit: 21559 OSNET, PR 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 23.158.240.0/24 Origin: 13465 UNASSIGNED 23.158.240.0/24 Transit: 33185 HIVE-DATA-CENTER, CA 23.181.240.0/24 Origin: 399613 UNASSIGNED 23.181.240.0/24 Transit: 11992 CENTENNIAL-, PR 24.48.128.0/19 Origin: 29866 OPTICALTEL, US 24.48.128.0/19 Transit: 2914 NTT-LTD-2914, US Complete listing at https://bgp.nsrc.org/REN/London/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 /11:100 /12:294 /13:586 /14:1197 /15:2078 /16:13465 /17:8292 /18:13844 /19:24826 /20:43057 /21:50773 /22:108142 /23:95973 /24:534302 /25:0 /26:1 /27:1 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5916 6907 UNI2-AS, ES 8151 4778 10852 Uninet S.A. de C.V., MX 11492 3519 4612 CABLEONE, US 8551 3448 3984 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3302 3494 SHAW, CA 39891 3193 4010 ALJAWWALSTC-AS, SA 7155 2988 3899 VIASAT-SP-BACKBONE, US 22773 2781 3765 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2340 2477 UKRTELNET, UA 30036 2260 2600 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/London/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1892 2:1028 3:166 4:5 5:3949 6:116 7:6 8:1552 9:1 11:173 12:1622 13:347 14:2367 15:275 16:69 17:361 18:341 20:241 21:4 22:188 23:5955 24:2459 25:6 27:2714 29:19 31:2456 32:91 34:7 35:90 36:1896 37:4483 38:3646 39:754 40:159 41:3968 42:1169 43:2268 44:295 45:16188 46:4207 47:367 49:1702 50:1926 51:242 52:1500 54:394 55:818 56:8 57:79 58:1721 59:1105 60:993 61:2371 62:2534 63:1968 64:5602 65:2319 66:4819 67:2963 68:1374 69:4152 70:1300 71:677 72:2983 74:2642 75:1475 76:595 77:2243 78:1818 79:3153 80:2060 81:1676 82:1526 83:1218 84:1406 85:2956 86:735 87:1913 88:1166 89:3431 90:544 91:7588 92:2077 93:2544 94:3531 95:3851 96:1346 97:347 98:1169 99:739 100:68 101:1294 102:2349 103:30245 104:4523 105:476 106:888 107:2541 108:892 109:4333 110:2007 111:3276 112:2049 113:1484 114:1514 115:1987 116:1890 117:2483 118:2323 119:1840 120:1707 121:1019 122:2537 123:2103 124:1512 125:2117 128:1187 129:965 130:961 131:2006 132:782 133:379 134:1904 135:288 136:864 137:888 138:2529 139:1521 140:1132 141:1474 142:1389 143:1418 144:1204 145:349 146:1859 147:1535 148:2230 149:1830 150:873 151:1119 152:1946 153:468 154:3763 155:1424 156:1640 157:1302 158:1041 159:2181 160:2571 161:1370 162:3494 163:1432 164:1669 165:1649 166:800 167:1727 168:3778 169:891 170:4542 171:849 172:3445 173:3097 174:1032 175:1156 176:3579 177:4746 178:3554 179:2096 180:2367 181:3294 182:3207 183:1942 184:2353 185:19834 186:4576 187:3994 188:4033 189:3466 190:8980 191:1454 192:10955 193:8732 194:7134 195:5048 196:3066 197:2462 198:5929 199:6040 200:7528 201:5839 202:10141 203:10030 204:4554 205:3470 206:3802 207:3387 208:4081 209:4761 210:4119 211:2325 212:4012 213:3553 214:1092 215:53 216:6472 217:2617 218:1271 219:404 220:1785 221:922 222:655 223:1979 End of report