Analysis Summary ---------------- BGP routing table entries examined: 309240 Prefixes after maximum aggregation: 142620 Deaggregation factor: 2.17 Unique aggregates announced to Internet: 150020 Total ASes present in the Internet Routing Table: 32779 Prefixes per ASN: 9.43 Origin-only ASes present in the Internet Routing Table: 28464 Origin ASes announcing only one prefix: 13846 Transit ASes present in the Internet Routing Table: 4315 Transit-only ASes present in the Internet Routing Table: 102 Average AS path length visible in the Internet Routing Table: 5.3 Max AS path length visible: 41 Max AS path prepend of ASN (22394) 36 Prefixes from unregistered ASNs in the Routing Table: 733 Unregistered ASNs in the Routing Table: 164 Number of 32-bit ASNs allocated by the RIRs: 328 Prefixes from 32-bit ASNs in the Routing Table: 276 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 229 Number of addresses announced to Internet: 2152511066 Equivalent to 128 /8s, 76 /16s and 182 /24s Percentage of available address space announced: 58.1 Percentage of allocated address space announced: 65.8 Percentage of available address space allocated: 88.2 Percentage of address space in use by end-sites: 80.1 Total number of prefixes smaller than registry allocations: 149528 APNIC Region Analysis Summary ----------------------------- Prefixes being announced by APNIC Region ASes: 73902 Total APNIC prefixes after maximum aggregation: 25548 APNIC Deaggregation factor: 2.89 Prefixes being announced from the APNIC address blocks: 70319 Unique aggregates announced from the APNIC address blocks: 30561 APNIC Region origin ASes present in the Internet Routing Table: 3862 APNIC Prefixes per ASN: 18.21 APNIC Region origin ASes announcing only one prefix: 1059 APNIC Region transit ASes present in the Internet Routing Table: 589 Average APNIC Region AS path length visible: 5.6 Max APNIC Region AS path length visible: 25 Number of APNIC addresses announced to Internet: 471231488 Equivalent to 28 /8s, 22 /16s and 108 /24s Percentage of available APNIC address space announced: 80.3 APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 APNIC Address Blocks 43/8, 58/8, 59/8, 60/8, 61/8, 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, 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, ARIN Region Analysis Summary ---------------------------- Prefixes being announced by ARIN Region ASes: 129915 Total ARIN prefixes after maximum aggregation: 67612 ARIN Deaggregation factor: 1.92 Prefixes being announced from the ARIN address blocks: 103815 Unique aggregates announced from the ARIN address blocks: 38706 ARIN Region origin ASes present in the Internet Routing Table: 13374 ARIN Prefixes per ASN: 7.76 ARIN Region origin ASes announcing only one prefix: 5169 ARIN Region transit ASes present in the Internet Routing Table: 1340 Average ARIN Region AS path length visible: 5.0 Max ARIN Region AS path length visible: 41 Number of ARIN addresses announced to Internet: 731565601 Equivalent to 43 /8s, 154 /16s and 206 /24s Percentage of available ARIN address space announced: 64.1 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, 393216-394239 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, 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, 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, 108/8, 173/8, 174/8, 184/8, 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: 71984 Total RIPE prefixes after maximum aggregation: 41168 RIPE Deaggregation factor: 1.75 Prefixes being announced from the RIPE address blocks: 65109 Unique aggregates announced from the RIPE address blocks: 42437 RIPE Region origin ASes present in the Internet Routing Table: 13809 RIPE Prefixes per ASN: 4.71 RIPE Region origin ASes announcing only one prefix: 7137 RIPE Region transit ASes present in the Internet Routing Table: 2072 Average RIPE Region AS path length visible: 5.5 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 405334164 Equivalent to 24 /8s, 40 /16s and 232 /24s Percentage of available RIPE address space announced: 75.5 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, 196608-197631 RIPE Address Blocks 2/8, 25/8, 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, 178/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8, LACNIC Region Analysis Summary ------------------------------ Prefixes being announced by LACNIC Region ASes: 27083 Total LACNIC prefixes after maximum aggregation: 6432 LACNIC Deaggregation factor: 4.21 Prefixes being announced from the LACNIC address blocks: 25394 Unique aggregates announced from the LACNIC address blocks: 13668 LACNIC Region origin ASes present in the Internet Routing Table: 1212 LACNIC Prefixes per ASN: 20.95 LACNIC Region origin ASes announcing only one prefix: 381 LACNIC Region transit ASes present in the Internet Routing Table: 202 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 23 Number of LACNIC addresses announced to Internet: 68318992 Equivalent to 4 /8s, 18 /16s and 119 /24s Percentage of available LACNIC address space announced: 67.9 LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 186/8, 187/8, 189/8, 190/8, 200/8, 201/8, AfriNIC Region Analysis Summary ------------------------------- Prefixes being announced by AfriNIC Region ASes: 5832 Total AfriNIC prefixes after maximum aggregation: 1551 AfriNIC Deaggregation factor: 3.76 Prefixes being announced from the AfriNIC address blocks: 4237 Unique aggregates announced from the AfriNIC address blocks: 1387 AfriNIC Region origin ASes present in the Internet Routing Table: 332 AfriNIC Prefixes per ASN: 12.76 AfriNIC Region origin ASes announcing only one prefix: 100 AfriNIC Region transit ASes present in the Internet Routing Table: 71 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 17 Number of AfriNIC addresses announced to Internet: 13470720 Equivalent to 0 /8s, 205 /16s and 140 /24s Percentage of available AfriNIC address space announced: 40.1 AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 197/8,