IPv4 R&E Routing Table Report 21:10 GMT Fri 24 Jul, 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: 1059399 Prefixes after maximum aggregation (per Origin AS): 407637 Deaggregation factor: 2.60 Unique aggregates announced (without unneeded subnets): 525607 Number of IPv4 prefixes with a valid ROA: 717372 Number of IPv4 prefixes with an invalid ROA: 108 Number of IPv4 prefixes with no ROA: 341919 Total ASes present in the Internet Routing Table: 78873 Prefixes per ASN: 13.43 Origin-only ASes present in the Internet Routing Table: 67480 Origin ASes announcing only one prefix: 27652 Transit ASes present in the Internet Routing Table: 11393 Transit-only ASes present in the Internet Routing Table: 600 Paths with bogon ASNs present in the IPv4 Routing Table: 33 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 68 Max AS path prepend of ASN ( 63293) 64 Prefixes from unregistered ASNs in the Routing Table: 1286 Number of instances of unregistered ASNs: 1325 Number of 32-bit ASNs allocated by the RIRs: 50536 Number of 32-bit ASNs visible in the Routing Table: 41155 Prefixes from 32-bit ASNs in the Routing Table: 236236 Number of bogon 32-bit ASNs visible in the Routing Table: 124 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 512 Number of addresses announced to Internet: 3120347904 Equivalent to 185 /8s, 252 /16s and 187 /24s Percentage of available address space announced: 84.3 Percentage of allocated address space announced: 84.3 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: 347512 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 287182 Total APNIC prefixes after maximum aggregation: 84146 APNIC Deaggregation factor: 3.41 Prefixes being announced from the APNIC address blocks: 273702 Unique aggregates announced from the APNIC address blocks: 109235 APNIC Region origin ASes present in the Internet Routing Table: 15284 APNIC Prefixes per ASN: 17.91 APNIC Region origin ASes announcing only one prefix: 4720 APNIC Region transit ASes present in the Internet Routing Table: 2067 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10872 Number of APNIC addresses announced to Internet: 748744192 Equivalent to 44 /8s, 160 /16s and 238 /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: 307856 Total ARIN prefixes after maximum aggregation: 138476 ARIN Deaggregation factor: 2.22 Prefixes being announced from the ARIN address blocks: 305825 Unique aggregates announced from the ARIN address blocks: 150072 ARIN Region origin ASes present in the Internet Routing Table: 19481 ARIN Prefixes per ASN: 15.70 ARIN Region origin ASes announcing only one prefix: 7137 ARIN Region transit ASes present in the Internet Routing Table: 1969 Average ARIN Region AS path length visible: 3.9 Max ARIN Region AS path length visible: 68 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5697 Number of ARIN addresses announced to Internet: 1348460800 Equivalent to 80 /8s, 95 /16s and 225 /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: 295539 Total RIPE prefixes after maximum aggregation: 146174 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 300555 Unique aggregates announced from the RIPE address blocks: 196011 RIPE Region origin ASes present in the Internet Routing Table: 29622 RIPE Prefixes per ASN: 10.15 RIPE Region origin ASes announcing only one prefix: 12272 RIPE Region transit ASes present in the Internet Routing Table: 4131 Average RIPE Region AS path length visible: 4.5 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13635 Number of RIPE addresses announced to Internet: 749696256 Equivalent to 44 /8s, 175 /16s and 117 /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: 129821 Total LACNIC prefixes after maximum aggregation: 31033 LACNIC Deaggregation factor: 4.18 Prefixes being announced from the LACNIC address blocks: 124296 Unique aggregates announced from the LACNIC address blocks: 50546 LACNIC Region origin ASes present in the Internet Routing Table: 11465 LACNIC Prefixes per ASN: 10.84 LACNIC Region origin ASes announcing only one prefix: 2783 LACNIC Region transit ASes present in the Internet Routing Table: 2646 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 68 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9538 Number of LACNIC addresses announced to Internet: 169244160 Equivalent to 10 /8s, 22 /16s and 118 /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: 37715 Total AfriNIC prefixes after maximum aggregation: 7089 AfriNIC Deaggregation factor: 5.32 Prefixes being announced from the AfriNIC address blocks: 54508 Unique aggregates announced from the AfriNIC address blocks: 19305 AfriNIC Region origin ASes present in the Internet Routing Table: 2052 AfriNIC Prefixes per ASN: 26.56 AfriNIC Region origin ASes announcing only one prefix: 740 AfriNIC Region transit ASes present in the Internet Routing Table: 389 Average AfriNIC Region AS path length visible: 5.1 Max AfriNIC Region AS path length visible: 53 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1413 Number of AfriNIC addresses announced to Internet: 103922176 Equivalent to 6 /8s, 49 /16s and 186 /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 14047 8737 120 CHINAMOBILE-CN - China Mobile Communicati 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5043 557 337 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4625 347 24 FPT-VN - FPT Telecom Company, VN 7552 4018 1331 24 VIETEL-AS-AP - Viettel Group, VN 7713 3733 1044 63 telkomnet-as-ap - PT Telekomunikasi Indon 56046 3580 887 178 CMNET-Jiangsu-AP - China Mobile communica 45899 3390 1868 97 VNPT-AS-VN - VNPT Corp, VN 17561 3183 200 542 LCS-AS-AP - LARUS Limited, HK 24560 2744 732 735 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd 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 15607 41518 5629 AMAZON-02 - Amazon.com, Inc., US 22773 4790 3125 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4592 305 1117 CABLEONE - CABLE ONE, INC., US 7155 3989 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 6327 3726 1305 74 SHAW - Shaw Communications, CA 396982 3444 4874 537 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3170 237 1115 AS-COLOCROSSING - HostPapa, US 749 3134 54727 2385 DNIC-AS-00749 - United States Department 7029 2692 2534 879 WINDSTREAM - Windstream Communications LL 30036 2553 356 544 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom C 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 7042 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4173 376 2556 M247 - M247 Europe SRL, RO 20940 3813 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3465 247 2608 CDNEXT - Datacamp Limited, GB 12389 3128 2330 874 ROSTELECOM-AS - PJSC Rostelecom, RU 29355 2548 151 25 KCELL-AS - Kcell JSC, KZ 34984 2489 367 587 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1715 1852 14 TE-AS - IDDQD-AS, EG 203020 1660 254 832 HostRoyale - HostRoyale Technologies Pvt 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 12845 3264 621 AS8151 - UNINET, MX 10620 3441 451 1105 AS10620 - Telmex Colombia S.A., CO 13999 2285 499 328 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1903 369 65 AS11830 - Instituto Costarricense de Elec 11664 1491 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1371 2431 275 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1211 371 21 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1096 70 385 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1052 2384 95 AS26615 - TIM S/A, 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 24835 1987 601 34 Vodafone Data - Vodafone Data, EG 36992 1928 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1350 587 104 Office National des Postes et Telecommuni 24863 1306 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1294 523 46 Vodafone Data - Vodafone Data, EG 37069 1116 1100 11 The Egyptian Company for Mobile Services 29571 1086 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 587 54 191 Africa on Cloud - Africa on Cloud, ZA 36914 558 82 3 Kenya Education Network - Kenya Education 15399 550 57 59 Wananchi Group (Kenya) Limited - Wananchi 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 15607 41518 5629 AMAZON-02 - Amazon.com, Inc., US 9808 14047 8737 120 CHINAMOBILE-CN - China Mobile Communicati 8151 12845 3264 621 AS8151 - UNINET, MX 12479 7042 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5836 818 450 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5043 557 337 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4790 3125 363 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4625 347 24 FPT-VN - FPT Telecom Company, VN 11492 4592 305 1117 CABLEONE - CABLE ONE, 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 14047 13927 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12845 12224 AS8151 - UNINET, MX 12479 7042 6892 UNI2-AS - Orange Espagne SA, ES 7545 5836 5386 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5043 4706 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4625 4601 FPT-VN - FPT Telecom Company, VN 22773 4790 4427 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4018 3994 VIETEL-AS-AP - Viettel Group, VN 7155 3989 3878 VIASAT-SP-BACKBONE - ViaSat,Inc., US 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 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 397274 UNALLOCATED 8.40.70.0/24 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 23.131.100.0/24 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 23.137.48.0/24 Origin: 16904 ARVIG-16904 - Arvig Enterprises Inc., US 23.137.48.0/24 Transit: 174 COGENT-174 - Cogent Communications, LLC, 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 /13:588 /14:1189 /15:2128 /16:13720 /17:8312 /18:13342 /19:25488 /20:45803 /21:52695 /22:113484 /23:109865 /24:672319 /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 7074 12845 AS8151 - UNINET, MX 12479 5970 7042 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3507 3726 SHAW - Shaw Communications, CA 11492 3484 4592 CABLEONE - CABLE ONE, INC., US 22773 3056 4790 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 16509 2962 15607 AMAZON-02 - Amazon.com, Inc., US 7155 2943 3989 VIASAT-SP-BACKBONE - ViaSat,Inc., US 10620 2245 3441 AS10620 - Telmex Colombia S.A., CO 30036 2208 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) ---------------------------------------------- 1:2550 2:2816 3:1027 4:5 5:5335 6:204 7:6 8:1373 9:78 11:172 12:1101 13:801 14:2747 15:482 16:260 17:455 18:941 20:617 21:4 22:188 23:8530 24:2783 25:2 27:2871 28:6 29:19 31:3818 32:36 34:93 35:286 36:4844 37:4440 38:10140 39:1374 40:418 41:4579 42:2231 43:3337 44:476 45:19953 46:4970 47:460 48:168 49:2274 50:2011 51:850 52:1371 54:303 55:1169 56:11 57:326 58:2396 59:1345 60:1213 61:3188 62:3150 63:1751 64:6573 65:2148 66:6167 67:3346 68:1291 69:4071 70:1045 71:613 72:3257 74:3053 75:1585 76:594 77:2916 78:2119 79:2059 80:2373 81:2280 82:4251 83:1487 84:2167 85:3907 86:1101 87:2771 88:1318 89:4816 90:770 91:8491 92:2755 93:3045 94:4462 95:4705 96:1453 97:309 98:931 99:965 100:72 101:1444 102:4722 103:32478 104:5648 105:836 106:903 107:2974 108:1340 109:3916 110:2282 111:4163 112:3118 113:1944 114:2506 115:2333 116:2075 117:3679 118:3048 119:2087 120:2791 121:1673 122:3043 123:2232 124:1724 125:2977 126:157 128:1606 129:981 130:1717 131:2545 132:888 133:489 134:1759 135:648 136:1545 137:1581 138:3441 139:1808 140:1872 141:1803 142:2628 143:2128 144:1829 145:698 146:2191 147:2303 148:2817 149:3580 150:1378 151:2965 152:2439 153:1995 154:9619 155:2387 156:4435 157:2437 158:1618 159:2891 160:3869 161:2035 162:4180 163:2684 164:2382 165:2763 166:1303 167:2363 168:4250 169:904 170:5609 171:1135 172:4924 173:3466 174:889 175:1397 176:4029 177:5231 178:4488 179:2539 180:3239 181:4676 182:4067 183:2848 184:2048 185:21921 186:6571 187:5529 188:4746 189:4644 190:9896 191:1802 192:11824 193:9638 194:7949 195:5900 196:3458 197:3136 198:6357 199:6089 200:8430 201:6639 202:10731 203:10698 204:4747 205:3784 206:4472 207:4092 208:4339 209:5479 210:4778 211:2708 212:5200 213:4119 214:1023 215:47 216:7314 217:3746 218:1867 219:417 220:2287 221:1348 222:943 223:3599 End of report