IPv4 R&E Routing Table Report 21:10 GMT Tue 29 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: 1070170 Prefixes after maximum aggregation (per Origin AS): 414277 Deaggregation factor: 2.58 Unique aggregates announced (without unneeded subnets): 535290 Number of IPv4 prefixes with a valid ROA: 750382 Number of IPv4 prefixes with an invalid ROA: 130 Number of IPv4 prefixes with no ROA: 319658 Total ASes present in the Internet Routing Table: 79337 Prefixes per ASN: 13.49 Origin-only ASes present in the Internet Routing Table: 67910 Origin ASes announcing only one prefix: 27858 Transit ASes present in the Internet Routing Table: 11427 Transit-only ASes present in the Internet Routing Table: 612 Paths with bogon ASNs present in the IPv4 Routing Table: 27 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 92 Max AS path prepend of ASN (152107) 90 Prefixes from unregistered ASNs in the Routing Table: 1116 Number of instances of unregistered ASNs: 1137 Number of 32-bit ASNs allocated by the RIRs: 51423 Number of 32-bit ASNs visible in the Routing Table: 41748 Prefixes from 32-bit ASNs in the Routing Table: 241872 Number of bogon 32-bit ASNs visible in the Routing Table: 76 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 523 Number of addresses announced to Internet: 3125989120 Equivalent to 186 /8s, 82 /16s and 207 /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: 354252 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 284633 Total APNIC prefixes after maximum aggregation: 85706 APNIC Deaggregation factor: 3.32 Prefixes being announced from the APNIC address blocks: 272487 Unique aggregates announced from the APNIC address blocks: 110944 APNIC Region origin ASes present in the Internet Routing Table: 15382 APNIC Prefixes per ASN: 17.71 APNIC Region origin ASes announcing only one prefix: 4755 APNIC Region transit ASes present in the Internet Routing Table: 2036 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: 10989 Number of APNIC addresses announced to Internet: 748913664 Equivalent to 44 /8s, 163 /16s and 132 /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: 315088 Total ARIN prefixes after maximum aggregation: 139932 ARIN Deaggregation factor: 2.25 Prefixes being announced from the ARIN address blocks: 312314 Unique aggregates announced from the ARIN address blocks: 153358 ARIN Region origin ASes present in the Internet Routing Table: 19519 ARIN Prefixes per ASN: 16.00 ARIN Region origin ASes announcing only one prefix: 7191 ARIN Region transit ASes present in the Internet Routing Table: 1996 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: 5807 Number of ARIN addresses announced to Internet: 1355532032 Equivalent to 80 /8s, 203 /16s and 199 /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: 299192 Total RIPE prefixes after maximum aggregation: 149154 RIPE Deaggregation factor: 2.01 Prefixes being announced from the RIPE address blocks: 305411 Unique aggregates announced from the RIPE address blocks: 200391 RIPE Region origin ASes present in the Internet Routing Table: 29855 RIPE Prefixes per ASN: 10.23 RIPE Region origin ASes announcing only one prefix: 12351 RIPE Region transit ASes present in the Internet Routing Table: 4153 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 48 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13906 Number of RIPE addresses announced to Internet: 750179840 Equivalent to 44 /8s, 182 /16s and 214 /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: 131949 Total LACNIC prefixes after maximum aggregation: 31748 LACNIC Deaggregation factor: 4.16 Prefixes being announced from the LACNIC address blocks: 125726 Unique aggregates announced from the LACNIC address blocks: 51567 LACNIC Region origin ASes present in the Internet Routing Table: 11518 LACNIC Prefixes per ASN: 10.92 LACNIC Region origin ASes announcing only one prefix: 2789 LACNIC Region transit ASes present in the Internet Routing Table: 2660 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: 9587 Number of LACNIC addresses announced to Internet: 167457792 Equivalent to 9 /8s, 251 /16s and 52 /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: 38192 Total AfriNIC prefixes after maximum aggregation: 7084 AfriNIC Deaggregation factor: 5.39 Prefixes being announced from the AfriNIC address blocks: 53708 Unique aggregates announced from the AfriNIC address blocks: 18596 AfriNIC Region origin ASes present in the Internet Routing Table: 2097 AfriNIC Prefixes per ASN: 25.61 AfriNIC Region origin ASes announcing only one prefix: 772 AfriNIC Region transit ASes present in the Internet Routing Table: 388 Average AfriNIC Region AS path length visible: 5.2 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1459 Number of AfriNIC addresses announced to Internet: 103628032 Equivalent to 6 /8s, 45 /16s and 61 /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 14068 8737 135 CHINAMOBILE-CN - China Mobile Communicati 9498 5119 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 7545 4639 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 7552 4069 1331 24 VIETEL-AS-AP - Viettel Group, VN 56046 3613 886 179 CMNET-Jiangsu-AP - China Mobile communica 7713 3516 1043 69 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3377 1868 97 VNPT-AS-VN - VNPT Corp, VN 140292 3079 315 1815 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - 24560 2371 537 660 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 4755 2268 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 18693 42655 5599 AMAZON-02 - Amazon.com, Inc., US 22773 4910 3324 454 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4603 306 1120 CABLEONE - CABLE ONE, INC., US 7155 4338 286 87 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3835 1305 73 SHAW - Shaw Communications, CA 396982 3533 5380 596 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3220 240 1142 AS-COLOCROSSING - HostPapa, US 749 3133 54663 2384 DNIC-AS-00749 - United States Department 7029 2832 2564 899 WINDSTREAM - Windstream Communications LL 31898 2778 1377 1159 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 6977 1709 149 UNI2-AS - Orange Espagne SA, ES 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4358 389 2658 M247 - M247 Europe SRL, RO 20940 3814 3388 105 AKAMAI-ASN1 - Akamai International B.V., 212238 3585 258 2710 CDNEXT - Datacamp Limited, GB 12389 3120 2330 867 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2525 371 598 TELLCOM-AS - Superonline Iletisim Hizmetl 29355 2524 155 28 KCELL-AS - Kcell JSC, KZ 8452 1696 1852 14 TE-AS - IDDQD-AS, EG 44559 1691 106 955 ITHOSTLINE - IT HOSTLINE LTD, CY 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 13235 3307 608 AS8151 - UNINET, MX 10620 3400 442 1118 AS10620 - Telmex Colombia S.A., CO 13999 2241 495 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1835 369 65 AS11830 - Instituto Costarricense de Elec 11664 1495 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1378 2433 268 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1267 762 225 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1194 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1098 73 379 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 27715 1078 75 54 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 24835 1976 497 26 Vodafone Data - Vodafone Data, EG 36992 1943 1543 326 ETISALAT MISR - ETISALAT MISR, EG 24863 1455 389 20 Link Egypt (Link.NET) - Link Egypt (Link. 36903 1354 589 107 Office National des Postes et Telecommuni 36935 1294 524 47 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 607 57 60 Wananchi Group (Kenya) Limited - Wananchi 20011 560 161 172 Dimension Data - Dimension Data, ZA 36914 548 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 18693 42655 5599 AMAZON-02 - Amazon.com, Inc., US 9808 14068 8737 135 CHINAMOBILE-CN - China Mobile Communicati 8151 13235 3307 608 AS8151 - UNINET, MX 12479 6977 1709 149 UNI2-AS - Orange Espagne SA, ES 9498 5119 561 339 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4976 307 73 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4910 3324 454 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 7545 4639 831 275 TPG-INTERNET-AP - TPG Telecom Limited, AU 11492 4603 306 1120 CABLEONE - CABLE ONE, INC., US 9009 4358 389 2658 M247 - M247 Europe SRL, RO 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 14068 13933 CHINAMOBILE-CN - China Mobile Communications Gr 8151 13235 12627 AS8151 - UNINET, MX 12479 6977 6828 UNI2-AS - Orange Espagne SA, ES 39891 4976 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5119 4780 BBIL-AP - BHARTI Airtel Ltd., IN 22773 4910 4456 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7545 4639 4364 TPG-INTERNET-AP - TPG Telecom Limited, AU 7155 4338 4251 VIASAT-SP-BACKBONE - ViaSat,Inc., US 7552 4069 4045 VIETEL-AS-AP - Viettel Group, VN 6327 3835 3762 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 218569 UNALLOCATED 5.175.204.0/24 205941 LSG - Lungu Stefan Gabr 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 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: 32217 GPIEX - GPIEX INC, US 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 /13:590 /14:1189 /15:2138 /16:13743 /17:8291 /18:13286 /19:25505 /20:45193 /21:53121 /22:113342 /23:110432 /24:682874 /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 7402 13235 AS8151 - UNINET, MX 12479 5887 6977 UNI2-AS - Orange Espagne SA, ES 16509 3700 18693 AMAZON-02 - Amazon.com, Inc., US 39891 3661 4976 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3601 3835 SHAW - Shaw Communications, CA 11492 3511 4603 CABLEONE - CABLE ONE, INC., US 7155 3269 4338 VIASAT-SP-BACKBONE - ViaSat,Inc., US 22773 3134 4910 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 10620 2235 3400 AS10620 - Telmex Colombia S.A., CO 30036 2196 2542 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) ---------------------------------------------- 1:2027 2:2902 3:1846 4:6 5:5480 6:211 7:6 8:1345 9:165 11:172 12:1088 13:1499 14:2705 15:485 16:288 17:468 18:1906 20:619 21:4 22:188 23:8599 24:2809 25:2 27:2943 28:8 29:19 31:3962 32:36 34:93 35:293 36:4895 37:4428 38:10465 39:1445 40:458 41:4632 42:1042 43:3448 44:520 45:19817 46:4978 47:460 48:171 49:2315 50:2036 51:1030 52:1455 54:449 55:1123 56:11 57:331 58:2676 59:1488 60:1197 61:3296 62:3185 63:1694 64:6655 65:2262 66:6293 67:3341 68:1325 69:4130 70:1088 71:619 72:3303 74:3169 75:1754 76:592 77:2910 78:2153 79:1925 80:2389 81:2304 82:4425 83:1521 84:2183 85:3910 86:1143 87:2963 88:1362 89:4943 90:759 91:8516 92:2762 93:3042 94:4653 95:4745 96:1460 97:305 98:956 99:1123 100:65 101:1367 102:4751 103:32393 104:5745 105:943 106:954 107:3000 108:1919 109:3976 110:2236 111:4230 112:3247 113:1672 114:2612 115:2326 116:2086 117:3891 118:2605 119:2067 120:2855 121:1820 122:3068 123:2237 124:1935 125:2976 126:175 128:1629 129:997 130:1773 131:2623 132:954 133:484 134:1824 135:674 136:1580 137:1610 138:3419 139:1831 140:1864 141:1897 142:2699 143:2338 144:1921 145:693 146:2255 147:2394 148:2881 149:3729 150:1460 151:3185 152:2481 153:2241 154:8806 155:2384 156:4011 157:2495 158:1658 159:2965 160:4145 161:2138 162:4247 163:2792 164:2449 165:2800 166:1257 167:2417 168:4361 169:968 170:5593 171:1135 172:4969 173:3504 174:893 175:1425 176:4059 177:5596 178:4664 179:2813 180:3346 181:4702 182:4090 183:2670 184:2214 185:22088 186:6572 187:5968 188:4844 189:4918 190:10009 191:1959 192:11945 193:9615 194:7958 195:5981 196:3419 197:3259 198:6466 199:6152 200:8468 201:6910 202:10586 203:10676 204:4756 205:3787 206:4502 207:4079 208:4357 209:5533 210:4688 211:2728 212:5255 213:4129 214:1029 215:50 216:7347 217:3835 218:1928 219:411 220:2244 221:1445 222:980 223:3643 End of report