IPv4 R&E Routing Table Report 21:10 GMT Fri 02 Sep, 2022 IPv4 BGP Table (Global) as seen at AARNET (Brisbane). Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/ Analysis Summary ---------------- BGP routing table entries examined: 901454 Prefixes after maximum aggregation (per Origin AS): 340692 Deaggregation factor: 2.65 Unique aggregates announced (without unneeded subnets): 439149 Number of IPv4 prefixes with a valid ROA: 348976 Number of IPv4 prefixes with an invalid ROA: 3026 Number of IPv4 prefixes with no ROA: 549452 Total ASes present in the Internet Routing Table: 73607 Prefixes per ASN: 12.25 Origin-only ASes present in the Internet Routing Table: 63230 Origin ASes announcing only one prefix: 26004 Transit ASes present in the Internet Routing Table: 10377 Transit-only ASes present in the Internet Routing Table: 398 Paths with bogon ASNs present in the IPv4 Routing Table: 73 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: 1013 Number of instances of unregistered ASNs: 1078 Number of 32-bit ASNs allocated by the RIRs: 40116 Number of 32-bit ASNs visible in the Routing Table: 33274 Prefixes from 32-bit ASNs in the Routing Table: 159809 Number of bogon 32-bit ASNs visible in the Routing Table: 176 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 514 Number of addresses announced to Internet: 3068560384 Equivalent to 182 /8s, 230 /16s and 132 /24s Percentage of available address space announced: 82.9 Percentage of allocated address space announced: 82.9 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: 300717 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 237974 Total APNIC prefixes after maximum aggregation: 67263 APNIC Deaggregation factor: 3.54 Prefixes being announced from the APNIC address blocks: 233011 Unique aggregates announced from the APNIC address blocks: 96533 APNIC Region origin ASes present in the Internet Routing Table: 12897 APNIC Prefixes per ASN: 18.07 APNIC Region origin ASes announcing only one prefix: 3714 APNIC Region transit ASes present in the Internet Routing Table: 1770 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 8150 Number of APNIC addresses announced to Internet: 772990720 Equivalent to 46 /8s, 18 /16s and 231 /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: 264968 Total ARIN prefixes after maximum aggregation: 120926 ARIN Deaggregation factor: 2.19 Prefixes being announced from the ARIN address blocks: 265323 Unique aggregates announced from the ARIN address blocks: 127914 ARIN Region origin ASes present in the Internet Routing Table: 19067 ARIN Prefixes per ASN: 13.92 ARIN Region origin ASes announcing only one prefix: 6929 ARIN Region transit ASes present in the Internet Routing Table: 1920 Average ARIN Region AS path length visible: 4.1 Max ARIN Region AS path length visible: 35 Number of ARIN region 32-bit ASNs visible in the Routing Table: 4600 Number of ARIN addresses announced to Internet: 1293735936 Equivalent to 77 /8s, 28 /16s and 216 /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: 252669 Total RIPE prefixes after maximum aggregation: 118294 RIPE Deaggregation factor: 2.14 Prefixes being announced from the RIPE address blocks: 249900 Unique aggregates announced from the RIPE address blocks: 153313 RIPE Region origin ASes present in the Internet Routing Table: 28185 RIPE Prefixes per ASN: 8.87 RIPE Region origin ASes announcing only one prefix: 12071 RIPE Region transit ASes present in the Internet Routing Table: 3945 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 35 Number of RIPE region 32-bit ASNs visible in the Routing Table: 10787 Number of RIPE addresses announced to Internet: 717237248 Equivalent to 42 /8s, 192 /16s and 44 /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: 116439 Total LACNIC prefixes after maximum aggregation: 27884 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 116100 Unique aggregates announced from the LACNIC address blocks: 48993 LACNIC Region origin ASes present in the Internet Routing Table: 10978 LACNIC Prefixes per ASN: 10.58 LACNIC Region origin ASes announcing only one prefix: 2695 LACNIC Region transit ASes present in the Internet Routing Table: 2239 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 31 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8720 Number of LACNIC addresses announced to Internet: 176424192 Equivalent to 10 /8s, 132 /16s and 5 /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: 28391 Total AfriNIC prefixes after maximum aggregation: 5561 AfriNIC Deaggregation factor: 5.11 Prefixes being announced from the AfriNIC address blocks: 36605 Unique aggregates announced from the AfriNIC address blocks: 11955 AfriNIC Region origin ASes present in the Internet Routing Table: 1686 AfriNIC Prefixes per ASN: 21.71 AfriNIC Region origin ASes announcing only one prefix: 595 AfriNIC Region transit ASes present in the Internet Routing Table: 332 Average AfriNIC Region AS path length visible: 5.0 Max AfriNIC Region AS path length visible: 59 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1017 Number of AfriNIC addresses announced to Internet: 107888384 Equivalent to 6 /8s, 110 /16s and 63 /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 9087 8883 47 CHINAMOBILE-CN China Mobile Communicati 7545 5923 789 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4905 4192 74 ERX-CERNET-BKB China Education and Rese 7552 3583 1330 20 VIETEL-AS-AP Viettel Group, VN 7713 3519 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon 45899 3372 1877 67 VNPT-AS-VN VNPT Corp, VN 9498 2427 499 238 BBIL-AP BHARTI Airtel Ltd., IN 4766 2236 11123 596 KIXS-AS-KR Korea Telecom, KR 24560 2190 851 407 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd 45090 2180 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 6962 10424 2775 AMAZON-02, US 11492 4575 303 550 CABLEONE, US 7155 3898 265 32 VIASAT-SP-BACKBONE, US 22773 3874 3070 356 ASN-CXA-ALL-CCI-22773-RDC, US 16625 3492 1804 2518 AKAMAI-AS, US 6327 3453 1319 63 SHAW, CA 749 3034 50727 2292 DNIC-AS-00749, US 30036 2612 370 236 MEDIACOM-ENTERPRISE-BUSINESS, US 396982 2531 3387 365 GOOGLE-CLOUD-PLATFORM, US 209 2361 4935 403 CENTURYLINK-US-LEGACY-QWEST, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 6891 1730 144 UNI2-AS, ES 20940 4071 3361 205 AKAMAI-ASN1, NL 8551 3993 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 39891 3874 226 44 ALJAWWALSTC-AS, SA 12389 2913 2290 909 ROSTELECOM-AS, RU 6849 2759 355 21 UKRTELNET, UA 9009 2599 251 1344 M247, GB 34984 2264 359 632 TELLCOM-AS, TR 58224 1749 925 503 TCI, IR 13188 1610 100 27 TRIOLAN, UA Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10708 3393 556 Uninet S.A. de C.V., MX 10620 3495 515 789 Telmex Colombia S.A., CO 11830 2340 369 64 Instituto Costarricense de Electricidad 13999 1978 321 507 Mega Cable, S.A. de C.V., MX 28573 1360 2327 267 Claro NXT Telecomunicacoes Ltda, BR 6503 1289 338 521 Axtel, S.A.B. de C.V., MX 3816 1274 699 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C 6147 1135 369 21 Telefonica del Peru S.A.A., PE 11664 1049 179 460 Techtel LMDS Comunicaciones Interactiva 26615 980 2466 43 TIM SA, BR Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24863 1602 393 21 LINKdotNET-AS, EG 24835 1520 521 31 RAYA-AS, EG 36992 1325 1519 268 ETISALAT-MISR, EG 36903 1268 550 99 MT-MPLS, MA 29571 1000 68 38 ORANGE-COTE-IVOIRE, CI 36935 810 520 42 Vodafone-, EG 6713 612 1863 34 IAM-AS, MA 15399 520 52 40 WANANCHI-, KE 37342 481 32 1 MOVITEL, MZ 23889 401 232 16 MauritiusTelecom, MU Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 10708 3393 556 Uninet S.A. de C.V., MX 9808 9087 8883 47 CHINAMOBILE-CN China Mobile Communicati 16509 6962 10424 2775 AMAZON-02, US 12479 6891 1730 144 UNI2-AS, ES 7545 5923 789 691 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4905 4192 74 ERX-CERNET-BKB China Education and Rese 11492 4575 303 550 CABLEONE, US 20940 4071 3361 205 AKAMAI-ASN1, NL 8551 3993 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne 7155 3898 265 32 VIASAT-SP-BACKBONE, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 9087 9040 CHINAMOBILE-CN China Mobile Communications Grou 12479 6891 6747 UNI2-AS, ES 7545 5923 5232 TPG-INTERNET-AP TPG Telecom Limited, AU 4538 4905 4831 ERX-CERNET-BKB China Education and Research Net 16509 6962 4187 AMAZON-02, US 11492 4575 4025 CABLEONE, US 8551 3993 3955 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 20940 4071 3866 AKAMAI-ASN1, NL 7155 3898 3866 VIASAT-SP-BACKBONE, US 39891 3874 3830 ALJAWWALSTC-AS, SA Complete listing at https://bgp.nsrc.org/REN/AARNET/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 65000 PRIVATE 5.227.24.0/22 8580 SANDY MTS Nizhniy Novgorod, 33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US 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 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE, US 198.19.224.0/24 56207 COMCLARK-PH ComClark Network & Technology Corp, Complete listing at https://bgp.nsrc.org/REN/AARNET/data-spar Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.128.80.0/24 Origin: 397372 UNASSIGNED 23.128.80.0/24 Transit: 577 BACOM, CA 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 Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA Number of prefixes announced per prefix length (Global) ------------------------------------------------------- !!Default route being announced!! /1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:16 /9:13 /10:39 /11:101 /12:302 /13:593 /14:1204 /15:2097 /16:13532 /17:8357 /18:13973 /19:25138 /20:44472 /21:51679 /22:108701 /23:96586 /24:534650 /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 5878 6891 UNI2-AS, ES 8151 4484 10708 Uninet S.A. de C.V., MX 11492 3492 4575 CABLEONE, US 8551 3452 3993 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo 6327 3264 3453 SHAW, CA 39891 3185 3874 ALJAWWALSTC-AS, SA 7155 2987 3898 VIASAT-SP-BACKBONE, US 22773 2880 3874 ASN-CXA-ALL-CCI-22773-RDC, US 6849 2616 2759 UKRTELNET, UA 30036 2268 2612 MEDIACOM-ENTERPRISE-BUSINESS, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:1940 2:1036 3:161 4:5 5:3862 6:115 7:6 8:1561 9:1 11:173 12:1640 13:341 14:2361 15:251 16:46 17:360 18:217 20:244 21:4 22:188 23:5924 24:2448 25:6 27:2728 29:19 31:2414 32:90 34:7 35:89 36:1845 37:4483 38:3485 39:723 40:154 41:3937 42:1142 43:2227 44:290 45:16136 46:4167 47:329 49:1700 50:1949 51:112 52:1463 54:386 55:840 56:8 57:65 58:1833 59:1185 60:990 61:2285 62:2550 63:1916 64:5603 65:2304 66:4892 67:3001 68:1210 69:4154 70:1314 71:690 72:3029 74:2644 75:1406 76:584 77:2268 78:1928 79:3130 80:2056 81:1665 82:1490 83:1216 84:1383 85:2938 86:737 87:1905 88:1183 89:3437 90:552 91:7652 92:2057 93:2547 94:3534 95:3884 96:1306 97:351 98:1038 99:720 100:77 101:1068 102:2310 103:29948 104:4571 105:470 106:889 107:2555 108:876 109:4328 110:2019 111:3281 112:2051 113:1506 114:1501 115:2099 116:1919 117:2485 118:2325 119:1830 120:1761 121:1093 122:2523 123:2118 124:1523 125:2162 128:1255 129:1026 130:1011 131:2056 132:818 133:375 134:1939 135:298 136:860 137:1018 138:2544 139:1522 140:954 141:1456 142:1347 143:1404 144:1188 145:342 146:1859 147:1508 148:2242 149:1808 150:868 151:1080 152:1872 153:545 154:3750 155:1452 156:1753 157:1285 158:1036 159:2191 160:2534 161:1343 162:3508 163:1413 164:1635 165:1650 166:788 167:1777 168:3832 169:872 170:4533 171:843 172:3346 173:3123 174:1025 175:1148 176:3621 177:4746 178:3575 179:2175 180:2389 181:3272 182:3193 183:1939 184:2366 185:19661 186:4579 187:3817 188:3979 189:3416 190:9086 191:1457 192:10990 193:8663 194:7117 195:5074 196:2978 197:2466 198:5998 199:6046 200:7646 201:5750 202:10576 203:10237 204:4512 205:3435 206:3788 207:3438 208:4051 209:4721 210:4515 211:2410 212:4043 213:3477 214:1119 215:66 216:6396 217:2630 218:1314 219:572 220:2015 221:951 222:846 223:1974 End of report