This is an automated weekly mailing describing the state of the IPv4 Research & Education Routing Table received by NSRC's collector from Guam's network. Daily listings are sent to ren-bgp-stats-all@lists.nsrc.org. For historical data, please see https://bgp.nsrc.org. If you have any comments please contact Philip Smith . IPv4 R&E Routing Table Report 21:25 GMT Sat 11 Jul, 2026 IPv4 BGP Table (Global) as seen at Guam. Report Website: https://bgp.nsrc.org/REN Detailed Analysis: https://bgp.nsrc.org/REN/Guam/ Analysis Summary ---------------- BGP routing table entries examined: 1062026 Prefixes after maximum aggregation (per Origin AS): 407274 Deaggregation factor: 2.61 Unique aggregates announced (without unneeded subnets): 524698 Number of IPv4 prefixes with a valid ROA: 716015 Number of IPv4 prefixes with an invalid ROA: 24 Number of IPv4 prefixes with no ROA: 345987 Total ASes present in the Internet Routing Table: 78886 Prefixes per ASN: 13.46 Origin-only ASes present in the Internet Routing Table: 67468 Origin ASes announcing only one prefix: 27572 Transit ASes present in the Internet Routing Table: 11418 Transit-only ASes present in the Internet Routing Table: 607 Paths with bogon ASNs present in the IPv4 Routing Table: 66 Average AS path length visible in the Internet Routing Table: 5.5 Max AS path length visible: 215 Max AS path prepend of ASN (205624) 210 Prefixes from unregistered ASNs in the Routing Table: 1272 Number of instances of unregistered ASNs: 1302 Number of 32-bit ASNs allocated by the RIRs: 50389 Number of 32-bit ASNs visible in the Routing Table: 41109 Prefixes from 32-bit ASNs in the Routing Table: 236347 Number of bogon 32-bit ASNs visible in the Routing Table: 108 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 364 Number of addresses announced to Internet: 3122830978 Equivalent to 186 /8s, 34 /16s and 158 /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: 347091 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 289805 Total APNIC prefixes after maximum aggregation: 84758 APNIC Deaggregation factor: 3.42 Prefixes being announced from the APNIC address blocks: 275625 Unique aggregates announced from the APNIC address blocks: 109408 APNIC Region origin ASes present in the Internet Routing Table: 15330 APNIC Prefixes per ASN: 17.98 APNIC Region origin ASes announcing only one prefix: 4725 APNIC Region transit ASes present in the Internet Routing Table: 2089 Average APNIC Region AS path length visible: 5.5 Max APNIC Region AS path length visible: 37 Number of APNIC region 32-bit ASNs visible in the Routing Table: 10893 Number of APNIC addresses announced to Internet: 752652864 Equivalent to 44 /8s, 220 /16s and 146 /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: 308683 Total ARIN prefixes after maximum aggregation: 137931 ARIN Deaggregation factor: 2.24 Prefixes being announced from the ARIN address blocks: 306969 Unique aggregates announced from the ARIN address blocks: 149627 ARIN Region origin ASes present in the Internet Routing Table: 19486 ARIN Prefixes per ASN: 15.75 ARIN Region origin ASes announcing only one prefix: 7127 ARIN Region transit ASes present in the Internet Routing Table: 1993 Average ARIN Region AS path length visible: 4.9 Max ARIN Region AS path length visible: 69 Number of ARIN region 32-bit ASNs visible in the Routing Table: 5677 Number of ARIN addresses announced to Internet: 1348310786 Equivalent to 80 /8s, 93 /16s and 151 /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: 293750 Total RIPE prefixes after maximum aggregation: 145745 RIPE Deaggregation factor: 2.02 Prefixes being announced from the RIPE address blocks: 298374 Unique aggregates announced from the RIPE address blocks: 195236 RIPE Region origin ASes present in the Internet Routing Table: 29612 RIPE Prefixes per ASN: 10.08 RIPE Region origin ASes announcing only one prefix: 12244 RIPE Region transit ASes present in the Internet Routing Table: 4114 Average RIPE Region AS path length visible: 5.7 Max RIPE Region AS path length visible: 215 Number of RIPE region 32-bit ASNs visible in the Routing Table: 13611 Number of RIPE addresses announced to Internet: 749440896 Equivalent to 44 /8s, 171 /16s and 143 /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: 129954 Total LACNIC prefixes after maximum aggregation: 30983 LACNIC Deaggregation factor: 4.19 Prefixes being announced from the LACNIC address blocks: 124641 Unique aggregates announced from the LACNIC address blocks: 50504 LACNIC Region origin ASes present in the Internet Routing Table: 11452 LACNIC Prefixes per ASN: 10.88 LACNIC Region origin ASes announcing only one prefix: 2767 LACNIC Region transit ASes present in the Internet Routing Table: 2636 Average LACNIC Region AS path length visible: 5.9 Max LACNIC Region AS path length visible: 69 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9518 Number of LACNIC addresses announced to Internet: 167989952 Equivalent to 10 /8s, 3 /16s and 82 /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: 38562 Total AfriNIC prefixes after maximum aggregation: 7133 AfriNIC Deaggregation factor: 5.41 Prefixes being announced from the AfriNIC address blocks: 56053 Unique aggregates announced from the AfriNIC address blocks: 19613 AfriNIC Region origin ASes present in the Internet Routing Table: 2046 AfriNIC Prefixes per ASN: 27.40 AfriNIC Region origin ASes announcing only one prefix: 709 AfriNIC Region transit ASes present in the Internet Routing Table: 394 Average AfriNIC Region AS path length visible: 6.1 Max AfriNIC Region AS path length visible: 61 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1410 Number of AfriNIC addresses announced to Internet: 104202496 Equivalent to 6 /8s, 54 /16s and 1 /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 14175 8783 166 CHINAMOBILE-CN - China Mobile Communicati 7545 5853 819 458 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5012 555 333 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4619 347 24 FPT-VN - FPT Telecom Company, VN 7552 4024 1331 24 VIETEL-AS-AP - Viettel Group, VN 17561 3747 235 602 LCS-AS-AP - LARUS Limited, HK 56046 3732 908 231 CMNET-Jiangsu-AP - China Mobile communica 7713 3730 1044 64 telkomnet-as-ap - PT Telekomunikasi Indon 45899 3385 1868 97 VNPT-AS-VN - VNPT Corp, VN 24560 2734 731 730 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-APNIC ARIN Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15491 41510 5622 AMAZON-02 - Amazon.com, Inc., US 22773 4774 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 11492 4533 301 1148 CABLEONE - CABLE ONE, INC., US 7155 3962 286 111 VIASAT-SP-BACKBONE - ViaSat,Inc., US 174 3953 8847 806 COGENT-174 - Cogent Communications, LLC, 6327 3725 1305 74 SHAW - Shaw Communications, CA 396982 3419 4872 528 GOOGLE-CLOUD-PLATFORM - Google LLC, US 36352 3165 238 1094 AS-COLOCROSSING - HostPapa, US 749 3138 54728 2389 DNIC-AS-00749 - United States Department 7029 2650 2537 872 WINDSTREAM - Windstream Communications LL Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-ARIN RIPE Region per AS prefix count summary --------------------------------------- ASN No of nets /20 equiv MaxAgg Description 12479 7083 1711 150 UNI2-AS - Orange Espagne SA, ES 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 9009 4166 375 2553 M247 - M247 Europe SRL, RO 20940 3815 3389 109 AKAMAI-ASN1 - Akamai International B.V., 212238 3434 245 2581 CDNEXT - Datacamp Limited, GB 12389 3121 2321 872 ROSTELECOM-AS - PJSC Rostelecom, RU 34984 2489 367 586 TELLCOM-AS - Superonline Iletisim Hizmetl 8452 1717 1852 17 TE-AS - IDDQD-AS, EG 203020 1652 253 828 HostRoyale - HostRoyale Technologies Pvt 13188 1607 100 27 TRIOLAN - CONTENT DELIVERY NETWORK LTD, U Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-RIPE LACNIC Region per AS prefix count summary ----------------------------------------- ASN No of nets /20 equiv MaxAgg Description 8151 12762 3255 625 AS8151 - UNINET, MX 10620 3440 450 1104 AS10620 - Telmex Colombia S.A., CO 13999 2297 503 332 AS13999 - Mega Cable, S.A. de C.V., MX 11830 1910 369 65 AS11830 - Instituto Costarricense de Elec 11664 1464 277 34 AS11664 - Techtel LMDS Comunicaciones Int 28573 1374 2431 269 AS28573 - Claro NXT Telecomunicacoes Ltda 3816 1342 768 213 AS3816 - COLOMBIA TELECOMUNICACIONES S.A. 6147 1213 371 22 AS6147 - INTEGRATEL PERU S.A.A., PE 22884 1097 70 386 AS22884 - TOTAL PLAY TELECOMUNICACIONES, 26615 1062 2385 96 AS26615 - TIM S/A, BR Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-LACNIC AfriNIC Region per AS prefix count summary ------------------------------------------ ASN No of nets /20 equiv MaxAgg Description 24835 1991 617 34 Vodafone Data - Vodafone Data, EG 36992 1924 1543 334 ETISALAT MISR - ETISALAT MISR, EG 36903 1351 587 105 Office National des Postes et Telecommuni 24863 1299 389 16 Link Egypt (Link.NET) - Link Egypt (Link. 36935 1297 523 46 Vodafone Data - Vodafone Data, EG 37069 1104 1100 11 The Egyptian Company for Mobile Services 29571 1085 70 18 Orange Côte d'Ivoire - Orange Côte d'Iv 328608 668 59 209 Africa on Cloud - Africa on Cloud, ZA 36914 556 82 3 Kenya Education Network - Kenya Education 15399 550 57 59 Wananchi Group (Kenya) Limited - Wananchi Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet-AFRINIC Global Per AS prefix count summary ---------------------------------- ASN No of nets /20 equiv MaxAgg Description 16509 15491 41510 5622 AMAZON-02 - Amazon.com, Inc., US 9808 14175 8783 166 CHINAMOBILE-CN - China Mobile Communicati 8151 12762 3255 625 AS8151 - UNINET, MX 12479 7083 1711 150 UNI2-AS - Orange Espagne SA, ES 7545 5853 819 458 TPG-INTERNET-AP - TPG Telecom Limited, AU 9498 5012 555 333 BBIL-AP - BHARTI Airtel Ltd., IN 39891 4975 307 72 ALJAWWALSTC-AS - Saudi Telecom Company JS 22773 4774 3099 357 ASN-CXA-ALL-CCI-22773-RDC - Cox Communica 18403 4619 347 24 FPT-VN - FPT Telecom Company, VN 11492 4533 301 1148 CABLEONE - CABLE ONE, INC., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-ASnet Global Per AS Maximum Aggregation summary ----------------------------------------- ASN No of nets Net Savings Description 9808 14175 14009 CHINAMOBILE-CN - China Mobile Communications Gr 8151 12762 12137 AS8151 - UNINET, MX 12479 7083 6933 UNI2-AS - Orange Espagne SA, ES 7545 5853 5395 TPG-INTERNET-AP - TPG Telecom Limited, AU 39891 4975 4903 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 9498 5012 4679 BBIL-AP - BHARTI Airtel Ltd., IN 18403 4619 4595 FPT-VN - FPT Telecom Company, VN 22773 4774 4417 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications 7552 4024 4000 VIETEL-AS-AP - Viettel Group, VN 7155 3962 3851 VIASAT-SP-BACKBONE - ViaSat,Inc., US Complete listing at https://bgp.nsrc.org/REN/Guam/data-CIDRnet List of Unregistered Origin ASNs (Global) ----------------------------------------- Bad AS Designation Net Originated Transit AS Transit AS Name 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 22442 HOU-PHONOSCOPE - Phonos 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 400273 UNALLOCATED 8.41.137.0/24 3356 LEVEL3 - Level 3 Parent Complete listing at https://bgp.nsrc.org/REN/Guam/data-badAS Prefixes from the Special Purpose Address Registry (Global) ----------------------------------------------------------- Prefix Origin AS Description 192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-spar 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 23.132.252.0/24 Origin: 401541 UNASSIGNED 23.132.252.0/24 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/Guam/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 /9:14 /10:39 /11:97 /12:300 /13:589 /14:1187 /15:2125 /16:13775 /17:8407 /18:13394 /19:25704 /20:46329 /21:52915 /22:113793 /23:109498 /24:673409 /25:67 /26:83 /27:109 /28:32 /29:57 /30:8 /31:1 /32:78 Advertised prefixes smaller than registry allocations ----------------------------------------------------- ASN No of nets Total ann. Description 8151 7001 12762 AS8151 - UNINET, MX 12479 6009 7083 UNI2-AS - Orange Espagne SA, ES 39891 3660 4975 ALJAWWALSTC-AS - Saudi Telecom Company JSC, SA 6327 3506 3725 SHAW - Shaw Communications, CA 11492 3430 4533 CABLEONE - CABLE ONE, INC., US 22773 3053 4774 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc., US 7155 2916 3962 VIASAT-SP-BACKBONE - ViaSat,Inc., US 16509 2873 15491 AMAZON-02 - Amazon.com, Inc., US 10620 2244 3440 AS10620 - Telmex Colombia S.A., CO 30036 2211 2556 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communications Corp, US Complete listing at https://bgp.nsrc.org/REN/Guam/data-sXXas-nos Number of /24s announced per /8 block (Global) ---------------------------------------------- 1:2573 2:2037 3:1019 4:7 5:5240 6:207 7:6 8:1400 9:76 11:172 12:1109 13:786 14:2746 15:474 16:291 17:451 18:947 20:621 21:4 22:188 23:8499 24:2773 25:2 27:2826 28:6 29:19 31:3821 32:37 34:91 35:290 36:4849 37:4432 38:11294 39:1375 40:433 41:4660 42:2201 43:3401 44:467 45:20077 46:4956 47:485 48:168 49:2293 50:1999 51:860 52:1364 54:295 55:1165 56:11 57:330 58:2381 59:1476 60:1212 61:3261 62:3168 63:1666 64:6526 65:2156 66:6107 67:3313 68:1299 69:4082 70:1046 71:606 72:3265 74:3071 75:1507 76:595 77:2894 78:2105 79:1871 80:2379 81:2303 82:4282 83:1490 84:2189 85:3902 86:1093 87:2897 88:1313 89:4811 90:781 91:8493 92:2769 93:3041 94:4453 95:4715 96:1449 97:308 98:933 99:972 100:72 101:1390 102:4901 103:32610 104:5602 105:1107 106:912 107:2944 108:1331 109:3900 110:2286 111:4220 112:3118 113:1940 114:2521 115:2320 116:2094 117:3637 118:3010 119:2117 120:2808 121:1650 122:3061 123:2300 124:1801 125:2998 126:158 128:1580 129:980 130:1728 131:2542 132:895 133:488 134:1754 135:636 136:1535 137:1392 138:3413 139:1863 140:1891 141:1734 142:2629 143:2100 144:1844 145:671 146:2192 147:2296 148:2804 149:3361 150:1382 151:2962 152:2399 153:1972 154:10241 155:2367 156:4649 157:2463 158:1604 159:2887 160:3888 161:2041 162:4171 163:2674 164:2399 165:2789 166:1302 167:2356 168:4287 169:879 170:5620 171:1138 172:4881 173:3491 174:887 175:1403 176:4033 177:5175 178:4479 179:2527 180:3249 181:4701 182:4026 183:2828 184:2054 185:21946 186:6719 187:5487 188:4739 189:4629 190:10037 191:1800 192:11841 193:9635 194:7941 195:5911 196:3460 197:3142 198:6185 199:6088 200:8290 201:6650 202:10767 203:10651 204:4721 205:3753 206:4466 207:3922 208:4369 209:5426 210:4760 211:2731 212:5210 213:4106 214:1024 215:47 216:7311 217:3753 218:1901 219:446 220:2296 221:1338 222:947 223:3611 End of report