IPv4 R&E Routing Table Report 23:00 GMT Mon 04 Jul, 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: 886324 Prefixes after maximum aggregation (per Origin AS): 337113 Deaggregation factor: 2.63 Unique aggregates announced (without unneeded subnets): 434428 Number of IPv4 prefixes with a valid ROA: 333690 Number of IPv4 prefixes with an invalid ROA: 1309 Number of IPv4 prefixes with no ROA: 551325 Total ASes present in the Internet Routing Table: 73134 Prefixes per ASN: 12.12 Origin-only ASes present in the Internet Routing Table: 62772 Origin ASes announcing only one prefix: 25859 Transit ASes present in the Internet Routing Table: 10362 Transit-only ASes present in the Internet Routing Table: 397 Paths with bogon ASNs present in the IPv4 Routing Table: 40 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 59 Max AS path prepend of ASN ( 37447) 57 Prefixes from unregistered ASNs in the Routing Table: 915 Number of instances of unregistered ASNs: 919 Number of 32-bit ASNs allocated by the RIRs: 39733 Number of 32-bit ASNs visible in the Routing Table: 32840 Prefixes from 32-bit ASNs in the Routing Table: 155950 Number of bogon 32-bit ASNs visible in the Routing Table: 16 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 489 Number of addresses announced to Internet: 3067287296 Equivalent to 182 /8s, 211 /16s and 23 /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: 298013 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 229173 Total APNIC prefixes after maximum aggregation: 66267 APNIC Deaggregation factor: 3.46 Prefixes being announced from the APNIC address blocks: 224346 Unique aggregates announced from the APNIC address blocks: 95386 APNIC Region origin ASes present in the Internet Routing Table: 12669 APNIC Prefixes per ASN: 17.71 APNIC Region origin ASes announcing only one prefix: 3647 APNIC Region transit ASes present in the Internet Routing Table: 1727 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 25 Number of APNIC region 32-bit ASNs visible in the Routing Table: 7944 Number of APNIC addresses announced to Internet: 772318720 Equivalent to 46 /8s, 8 /16s and 166 /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: 262231 Total ARIN prefixes after maximum aggregation: 120153 ARIN Deaggregation factor: 2.18 Prefixes being announced from the ARIN address blocks: 262352 Unique aggregates announced from the ARIN address blocks: 126786 ARIN Region origin ASes present in the Internet Routing Table: 18975 ARIN Prefixes per ASN: 13.83 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1877 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4522 Number of ARIN addresses announced to Internet: 1296483072 Equivalent to 77 /8s, 70 /16s and 195 /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: 251047 Total RIPE prefixes after maximum aggregation: 117057 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 248413 Unique aggregates announced from the RIPE address blocks: 151683 RIPE Region origin ASes present in the Internet Routing Table: 28129 RIPE Prefixes per ASN: 8.83 RIPE Region origin ASes announcing only one prefix: 12032 RIPE Region transit ASes present in the Internet Routing Table: 4017 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 34 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10721 Number of RIPE addresses announced to Internet: 714072576 Equivalent to 42 /8s, 143 /16s and 226 /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: 114974 Total LACNIC prefixes after maximum aggregation: 27433 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 114772 Unique aggregates announced from the LACNIC address blocks: 48714 LACNIC Region origin ASes present in the Internet Routing Table: 10954 LACNIC Prefixes per ASN: 10.48 LACNIC Region origin ASes announcing only one prefix: 2675 LACNIC Region transit ASes present in the Internet Routing Table: 2235 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: 8677 Number of LACNIC addresses announced to Internet: 176357120 Equivalent to 10 /8s, 130 /16s and 255 /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: 27984 Total AfriNIC prefixes after maximum aggregation: 5519 AfriNIC Deaggregation factor: 5.07 Prefixes being announced from the AfriNIC address blocks: 35952 Unique aggregates announced from the AfriNIC address blocks: 11446 AfriNIC Region origin ASes present in the Internet Routing Table: 1649 AfriNIC Prefixes per ASN: 21.80 AfriNIC Region origin ASes announcing only one prefix: 576 AfriNIC Region transit ASes present in the Internet Routing Table: 327 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: 976 Number of AfriNIC addresses announced to Internet: 107776512 Equivalent to 6 /8s, 108 /16s and 138 /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 8981 8882 46 CHINAMOBILE-CN China Mobile Communicati 7545 5925 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 7552 3558 1330 19 VIETEL-AS-AP Viettel Group, VN 7713 3495 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3424 1880 56 VNPT-AS-VN VNPT Corp, VN 9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN 4766 2254 11123 595 KIXS-AS-KR Korea Telecom, KR 45090 2137 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute 4755 2124 425 216 TATACOMM-AS TATA Communications formerl 24560 2097 846 409 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 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 6702 10379 2681 AMAZON-02, US 11492 4508 299 676 CABLEONE, US 7155 3902 265 32 VIASAT-SP-BACKBONE, US 22773 3884 3146 357 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3448 1771 2492 AKAMAI-AS, US 6327 3437 1319 63 SHAW, CA 749 2992 50740 2250 DNIC-AS-00749, US 30036 2631 374 139 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US 209 2433 4953 416 CENTURYLINK-US-LEGACY-QWEST, 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 6888 1730 144 UNI2-AS, ES 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3989 3360 195 AKAMAI-ASN1, NL 12389 2893 2289 909 ROSTELECOM-AS, RU 6849 2718 355 21 UKRTELNET, UA 9009 2569 254 1335 M247, GB 34984 2246 358 634 TELLCOM-AS, TR 58224 1785 933 569 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 10603 3403 550 Uninet S.A. de C.V., MX 10620 3472 514 773 Telmex Colombia S.A., CO 11830 2436 369 64 Instituto Costarricense de Electricidad 13999 1897 311 498 Mega Cable, S.A. de C.V., MX 28573 1367 2328 275 Claro NXT Telecomunicacoes Ltda, BR 6503 1311 344 525 Axtel, S.A.B. de C.V., MX 3816 1259 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1077 369 21 Telefonica del Peru S.A.A., PE 11664 1014 183 456 Techtel LMDS Comunicaciones Interactiva 26615 979 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 1610 393 21 LINKdotNET-AS, EG 24835 1546 521 31 RAYA-AS, EG 36992 1321 1519 267 ETISALAT-MISR, EG 36903 1199 545 114 MT-MPLS, MA 29571 959 65 57 ORANGE-COTE-IVOIRE, CI 36935 777 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 518 52 37 WANANCHI-, KE 37342 407 32 1 MOVITEL, MZ 23889 401 232 16 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 10603 3403 550 Uninet S.A. de C.V., MX 9808 8981 8882 46 CHINAMOBILE-CN China Mobile Communicati 12479 6888 1730 144 UNI2-AS, ES 16509 6702 10379 2681 AMAZON-02, US 7545 5925 789 693 TPG-INTERNET-AP TPG Telecom Limited, AU 11492 4508 299 676 CABLEONE, US 8551 4008 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 4005 234 45 ALJAWWALSTC-AS, SA 20940 3989 3360 195 AKAMAI-ASN1, NL 7155 3902 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 8981 8935 CHINAMOBILE-CN China Mobile Communications Grou 12479 6888 6744 UNI2-AS, ES 7545 5925 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 16509 6702 4021 AMAZON-02, US 8551 4008 3969 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 39891 4005 3960 ALJAWWALSTC-AS, SA 7155 3902 3870 VIASAT-SP-BACKBONE, US 11492 4508 3832 CABLEONE, US 20940 3989 3794 AKAMAI-ASN1, NL 7552 3558 3539 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 62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US 393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US 18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US 394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US 54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US 18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US 394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US 395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US Complete listing at https://bgp.nsrc.org/REN/London/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.141.0.0/24 Origin: 395350 UNASSIGNED 23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US 27.100.7.0/24 Origin: 56096 UNASSIGNED 27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet 41.57.124.0/22 Origin: 37442 UNASSIGNED 41.57.124.0/22 Transit: 37204 TELONE, ZW 41.57.124.0/23 Origin: 37442 UNASSIGNED 41.57.124.0/23 Transit: 37204 TELONE, ZW 41.57.124.0/24 Origin: 37442 UNASSIGNED 41.57.124.0/24 Transit: 37204 TELONE, ZW 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 /10:40 /11:100 /12:303 /13:590 /14:1201 /15:2092 /16:13488 /17:8271 /18:13745 /19:24736 /20:43067 /21:50643 /22:107443 /23:95261 /24:525309 /25:0 /26:1 /27:0 /28:0 /29:1 /30:4 /31:0 /32:0 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 12479 5864 6888 UNI2-AS, ES 8151 4441 10603 Uninet S.A. de C.V., MX 8551 3472 4008 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 11492 3415 4508 CABLEONE, US 6327 3247 3437 SHAW, CA 39891 3189 4005 ALJAWWALSTC-AS, SA 7155 2991 3902 VIASAT-SP-BACKBONE, US 22773 2899 3884 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2576 2718 UKRTELNET, UA 30036 2288 2631 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/London/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1918 2:1037 3:157 4:5 5:3808 6:109 7:6 8:1527 9:1 11:172 12:1644 13:333 14:2335 15:229 16:44 17:384 18:175 19:1 20:238 21:4 22:188 23:5723 24:2362 25:6 27:2611 29:19 31:2443 32:92 34:7 35:87 36:1824 37:4426 38:3171 39:712 40:152 41:3899 42:1117 43:2202 44:289 45:15927 46:4104 47:301 49:1681 50:1939 51:237 52:1456 54:385 55:843 56:8 57:60 58:1701 59:1111 60:964 61:2265 62:2509 63:1930 64:5523 65:2344 66:4839 67:2951 68:1188 69:4168 70:1324 71:679 72:3040 74:2624 75:1399 76:574 77:2213 78:1834 79:3130 80:1992 81:1624 82:1492 83:1210 84:1321 85:2939 86:715 87:1911 88:1153 89:3309 90:541 91:7596 92:2009 93:2546 94:3458 95:3830 96:1309 97:352 98:1004 99:751 100:76 101:1276 102:2139 103:29269 104:4482 105:468 106:871 107:2547 108:844 109:4275 110:1973 111:3269 112:2033 113:1469 114:1482 115:1970 116:1887 117:2428 118:2300 119:1839 120:1661 121:1026 122:2513 123:2081 124:1538 125:2046 128:1181 129:1051 130:971 131:2011 132:810 133:377 134:1933 135:279 136:893 137:867 138:2411 139:1523 140:886 141:1438 142:1294 143:1421 144:1205 145:353 146:1811 147:1508 148:2205 149:1723 150:859 151:1066 152:1846 153:459 154:3570 155:1442 156:1684 157:1261 158:1040 159:2229 160:2494 161:1284 162:3472 163:1291 164:1626 165:1623 166:749 167:1747 168:3754 169:883 170:4499 171:831 172:3226 173:3124 174:1018 175:1152 176:3548 177:4628 178:3535 179:2145 180:2329 181:3088 182:3207 183:1938 184:2344 185:19591 186:4303 187:3790 188:3958 189:3347 190:8940 191:1439 192:10977 193:8632 194:7053 195:4949 196:3035 197:2360 198:5934 199:6032 200:7482 201:5871 202:10091 203:10005 204:4528 205:3475 206:3648 207:3344 208:4005 209:4653 210:4144 211:2315 212:4006 213:3431 214:1148 215:67 216:6470 217:2645 218:1271 219:408 220:1717 221:962 222:653 223:1956 End of report