IPv4 R&E Routing Table Report 21:10 GMT Tue 22 Sep, 2026 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: 1069114 Prefixes after maximum aggregation (per Origin AS): 413839 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 534538 Number of IPv4 prefixes with a valid ROA: 746472 Number of IPv4 prefixes with an invalid ROA: 129 Number of IPv4 prefixes with no ROA: 322513 Total ASes present in the Internet Routing Table: 79310 Prefixes per ASN: 13.48 Origin-only ASes present in the Internet Routing Table: 67882 Origin ASes announcing only one prefix: 27835 Transit ASes present in the Internet Routing Table: 11428 Transit-only ASes present in the Internet Routing Table: 616 Paths with bogon ASNs present in the IPv4 Routing Table: 29 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 92 Max AS path prepend of ASN (152107) 90 Prefixes from unregistered ASNs in the Routing Table: 1216 Number of instances of unregistered ASNs: 1232 Number of 32-bit ASNs allocated by the RIRs: 51319 Number of 32-bit ASNs visible in the Routing Table: 41693 Prefixes from 32-bit ASNs in the Routing Table: 241035 Number of bogon 32-bit ASNs visible in the Routing Table: 66 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 521 Number of addresses announced to Internet: 3125586432 Equivalent to 186 /8s, 76 /16s and 170 /24s Percentage of available address space announced: 84.4 Percentage of allocated address space announced: 84.4 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: 353649 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 284911 Total APNIC prefixes after maximum aggregation: 85815 APNIC Deaggregation factor: 3.32 Prefixes being announced from the APNIC address blocks: 272249 Unique aggregates announced from the APNIC address blocks: 110847 APNIC Region origin ASes present in the Internet Routing Table: 15357 APNIC Prefixes per ASN: 17.73 APNIC Region origin ASes announcing only one prefix: 4755 APNIC Region transit ASes present in the Internet Routing Table: 2028 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 92 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10964 Number of APNIC addresses announced to Internet: 748986624 Equivalent to 44 /8s, 164 /16s and 161 /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, 131072-155961 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: 314537 Total ARIN prefixes after maximum aggregation: 139733 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312182 Unique aggregates announced from the ARIN address blocks: 153180 ARIN Region origin ASes present in the Internet Routing Table: 19498 ARIN Prefixes per ASN: 16.01 ARIN Region origin ASes announcing only one prefix: 7163 ARIN Region transit ASes present in the Internet Routing Table: 1997 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 45 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5792 Number of ARIN addresses announced to Internet: 1355607808 Equivalent to 80 /8s, 204 /16s and 239 /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, 393216-404380 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, 45/8, 47/8, 48/8, 50/8, 52/8, 54/8, 55/8, 56/8, 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: 298803 Total RIPE prefixes after maximum aggregation: 148849 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 304879 Unique aggregates announced from the RIPE address blocks: 199972 RIPE Region origin ASes present in the Internet Routing Table: 29866 RIPE Prefixes per ASN: 10.21 RIPE Region origin ASes announcing only one prefix: 12360 RIPE Region transit ASes present in the Internet Routing Table: 4164 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 45 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13896 Number of RIPE addresses announced to Internet: 749905920 Equivalent to 44 /8s, 178 /16s and 168 /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 196608-219547 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 53/8, 57/8, 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: 131725 Total LACNIC prefixes after maximum aggregation: 31708 LACNIC Deaggregation factor: 4.15 Prefixes being announced from the LACNIC address blocks: 125586 Unique aggregates announced from the LACNIC address blocks: 51556 LACNIC Region origin ASes present in the Internet Routing Table: 11516 LACNIC Prefixes per ASN: 10.91 LACNIC Region origin ASes announcing only one prefix: 2788 LACNIC Region transit ASes present in the Internet Routing Table: 2657 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 38 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9582 Number of LACNIC addresses announced to Internet: 167530752 Equivalent to 9 /8s, 252 /16s and 81 /24s LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 61440-61951, 64099-64197, 262144-275868 + 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: 37922 Total AfriNIC prefixes after maximum aggregation: 7046 AfriNIC Deaggregation factor: 5.38 Prefixes being announced from the AfriNIC address blocks: 53696 Unique aggregates announced from the AfriNIC address blocks: 18551 AfriNIC Region origin ASes present in the Internet Routing Table: 2094 AfriNIC Prefixes per ASN: 25.64 AfriNIC Region origin ASes announcing only one prefix: 769 AfriNIC Region transit ASes present in the Internet Routing Table: 385 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 54 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1459 Number of AfriNIC addresses announced to Internet: 103279872 Equivalent to 6 /8s, 39 /16s and 237 /24s AfriNIC AS Blocks 36864-37887, 327680-330751 & ERX transfers AfriNIC Address Blocks 41/8, 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 14061 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5117 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4636 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4073 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3610 886 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3473 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3374 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3079 315 1815 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2478 589 701 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 4755 2272 427 192 TATACOMM-AS - TATA Communications formerl 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 18621 42653 5642 AMAZON-02 - Amazon.com, Inc., US 22773 4862 3182 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4598 305 1119 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3832 1305 74 SHAW - Shaw Communications, CA 396982 3524 5380 595 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3218 239 1144 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2816 2561 894 WINDSTREAM - Windstream Communications LL 31898 2757 1370 1147 ORACLE-BMC-31898 - Oracle Corporation, 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 7038 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4319 385 2629 M247 - M247 Europe SRL, RO 20940 3823 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3581 259 2705 CDNEXT - Datacamp Limited, GB 12389 3123 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2526 371 599 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2524 155 28 KCELL-AS - Kcell JSC, KZ 44559 1699 106 961 ITHOSTLINE - IT HOSTLINE LTD, CY 8452 1692 1852 14 TE-AS - IDDQD-AS, EG 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 13202 3305 610 AS8151 - UNINET, MX 10620 3406 443 1115 AS10620 - Telmex Colombia S.A., CO 13999 2237 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1866 369 65 AS11830 - Instituto Costarricense de Elec 11664 1494 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1377 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1266 762 224 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1195 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1099 73 384 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1077 75 53 AS27715 - Locaweb Servicos de Internet S/ 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 36992 1942 1543 328 ETISALAT MISR - ETISALAT MISR, EG 24835 1940 465 22 Vodafone Data - Vodafone Data, EG 24863 1470 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1353 589 106 Office National des Postes et Telecommuni 36935 1156 523 49 Vodafone Data - Vodafone Data, EG 37069 1128 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 15399 590 57 62 Wananchi Group (Kenya) Limited - Wananchi 20011 557 160 172 Dimension Data - Dimension Data, ZA 36914 547 82 3 Kenya Education Network - Kenya Education 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 16509 18621 42653 5642 AMAZON-02 - Amazon.com, Inc., US 9808 14061 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13202 3305 610 AS8151 - UNINET, MX 12479 7038 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5117 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4862 3182 421 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4636 831 274 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4598 305 1119 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., 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 14061 13926 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13202 12592 AS8151 - UNINET, MX 12479 7038 6889 UNI2-AS - Orange Espagne SA, ES 39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5117 4778 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4862 4441 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4636 4362 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4073 4049 VIETEL-AS-AP - Viettel Group, VN 6327 3832 3758 SHAW - Shaw Communications, CA 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 394928 UNALLOCATED 8.2.70.0/24 3356 LEVEL3 - Level 3 Parent 23338 UNALLOCATED 8.14.84.0/22 33667 CMCS - Comcast Cable Co 395729 UNALLOCATED 8.28.60.0/24 32787 PROLEXIC-TECHNOLOGIES-D 396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3 - Level 3 Parent 394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Com 396243 UNALLOCATED 8.34.113.0/24 3356 LEVEL3 - Level 3 Parent 397274 UNALLOCATED 8.36.79.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.112.0/24 3356 LEVEL3 - Level 3 Parent 396243 UNALLOCATED 8.37.123.0/24 3356 LEVEL3 - Level 3 Parent 395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/AARNET/data-badAS Advertised Unallocated Addresses -------------------------------- Unassigned Network ASN Information AS Name 23.130.160.0/24 Origin: 16509 AMAZON-02 - Amazon.com, Inc., US 23.130.160.0/24 Transit: 7575 AARNET-AS-AP - Australian Academic and R 23.131.100.0/24 Origin: 401541 UNASSIGNED 23.131.100.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.156.0/24 Origin: 401541 UNASSIGNED 23.131.156.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.131.212.0/24 Origin: 401541 UNASSIGNED 23.131.212.0/24 Transit: 38733 CMCTELECOM-VN - CMC Telecom Infrastructu 23.133.212.0/24 Origin: 18604 UNASSIGNED 23.133.212.0/24 Transit: 394625 WHITELABELIT - WhiteLabel IT Solutions C 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 /9:14 /10:39 /11:97 /12:299 /13:589 /14:1189 /15:2136 /16:13742 /17:8270 /18:13251 /19:25465 /20:45181 /21:53049 /22:113202 /23:110207 /24:682367 /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 8151 7371 13202 AS8151 - UNINET, MX 12479 5951 7038 UNI2-AS - Orange Espagne SA, ES 39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 16509 3660 18621 AMAZON-02 - Amazon.com, Inc., US 6327 3597 3832 SHAW - Shaw Communications, CA 11492 3506 4598 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3111 4862 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2241 3406 AS10620 - Telmex Colombia S.A., CO 30036 2205 2553 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2006 2:2903 3:1870 4:6 5:5536 6:212 7:6 8:1345 9:111 11:172 12:1089 13:1439 14:2694 15:491 16:286 17:464 18:1894 20:617 21:4 22:188 23:8584 24:2806 25:2 27:2939 28:7 29:19 31:3941 32:36 34:93 35:294 36:4893 37:4439 38:10402 39:1435 40:455 41:4639 42:1043 43:3473 44:515 45:19858 46:5025 47:462 48:171 49:2309 50:2027 51:1013 52:1463 54:449 55:1157 56:11 57:331 58:2668 59:1493 60:1197 61:3305 62:3179 63:1707 64:6662 65:2259 66:6291 67:3344 68:1304 69:4119 70:1089 71:619 72:3286 74:3164 75:1744 76:591 77:2924 78:2147 79:1909 80:2373 81:2313 82:4446 83:1514 84:2187 85:3896 86:1138 87:2952 88:1355 89:4961 90:777 91:8522 92:2768 93:3083 94:4667 95:4767 96:1463 97:305 98:949 99:1110 100:65 101:1366 102:4743 103:32401 104:5745 105:936 106:932 107:2989 108:1899 109:3957 110:2235 111:4228 112:3244 113:1668 114:2604 115:2322 116:2085 117:3878 118:2605 119:2064 120:2865 121:1811 122:3056 123:2238 124:1935 125:2972 126:156 128:1631 129:982 130:1764 131:2594 132:928 133:484 134:1818 135:673 136:1585 137:1605 138:3432 139:1826 140:1872 141:1877 142:2713 143:2349 144:1915 145:703 146:2241 147:2391 148:2867 149:3735 150:1457 151:3161 152:2479 153:2226 154:9057 155:2382 156:4075 157:2475 158:1658 159:2983 160:4132 161:2154 162:4247 163:2761 164:2446 165:2804 166:1257 167:2417 168:4267 169:965 170:5618 171:1135 172:4954 173:3493 174:894 175:1415 176:4062 177:5574 178:4689 179:2770 180:3341 181:4693 182:4083 183:2671 184:2217 185:22075 186:6543 187:5877 188:4834 189:4819 190:9946 191:1944 192:11940 193:9608 194:7948 195:5985 196:3416 197:3262 198:6445 199:6144 200:8473 201:6938 202:10589 203:10681 204:4786 205:3784 206:4519 207:4089 208:4345 209:5512 210:4694 211:2726 212:5237 213:4132 214:1031 215:50 216:7373 217:3826 218:1927 219:411 220:2242 221:1444 222:978 223:3627 End of report