[REN-BGP-stats-all] Global R&E Routing Table Report - TENET R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sat Jun 5 18:45:12 UTC 2021


Global R&E Routing Table Report   18:45 GMT Sat 05 Jun, 2021

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/TENET/

Analysis Summary
----------------

BGP routing table entries examined:                               16426
    Prefixes after maximum aggregation (per Origin AS):            8449
    Deaggregation factor:                                          1.94
    Unique aggregates announced (without unneeded subnets):        9839
Total ASes present in the Internet Routing Table:                  2245
    Prefixes per ASN:                                              7.32
Origin-only ASes present in the Internet Routing Table:            1931
Origin ASes announcing only one prefix:                             852
Transit ASes present in the Internet Routing Table:                 314
Transit-only ASes present in the Internet Routing Table:             51
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                17
    Number of instances of unregistered ASNs:                        17
Number of 32-bit ASNs allocated by the RIRs:                      36241
Number of 32-bit ASNs visible in the Routing Table:                 471
Prefixes from 32-bit ASNs in the Routing Table:                    1442
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    163881216
    Equivalent to 9 /8s, 196 /16s and 161 /24s
    Percentage of available address space announced:                4.4
    Percentage of allocated address space announced:                4.4
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        1761

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     4638
    Total APNIC prefixes after maximum aggregation:                2342
    APNIC Deaggregation factor:                                    1.98
Prefixes being announced from the APNIC address blocks:            4639
    Unique aggregates announced from the APNIC address blocks:     2689
APNIC Region origin ASes present in the Internet Routing Table:     564
    APNIC Prefixes per ASN:                                        8.23
APNIC Region origin ASes announcing only one prefix:                238
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    210
Number of APNIC addresses announced to Internet:               46313472
    Equivalent to 2 /8s, 194 /16s and 176 /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, 131072-147769
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:                      8285
    Total ARIN prefixes after maximum aggregation:                 4721
    ARIN Deaggregation factor:                                     1.75
Prefixes being announced from the ARIN address blocks:             8303
    Unique aggregates announced from the ARIN address blocks:      5429
ARIN Region origin ASes present in the Internet Routing Table:     1219
    ARIN Prefixes per ASN:                                         6.81
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          18
Number of ARIN region 32-bit ASNs visible in the Routing Table:     150
Number of ARIN addresses announced to Internet:                96910592
    Equivalent to 5 /8s, 198 /16s and 189 /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, 393216-401308
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,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  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:                       908
    Total RIPE prefixes after maximum aggregation:                  629
    RIPE Deaggregation factor:                                     1.44
Prefixes being announced from the RIPE address blocks:              905
    Unique aggregates announced from the RIPE address blocks:       635
RIPE Region origin ASes present in the Internet Routing Table:      204
    RIPE Prefixes per ASN:                                         4.44
RIPE Region origin ASes announcing only one prefix:                  97
RIPE Region transit ASes present in the Internet Routing Table:      33
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:      26
Number of RIPE addresses announced to Internet:                13969408
    Equivalent to 0 /8s, 213 /16s and 40 /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
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  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,
                       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:                    1432
    Total LACNIC prefixes after maximum aggregation:                582
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1431
    Unique aggregates announced from the LACNIC address blocks:     813
LACNIC Region origin ASes present in the Internet Routing Table:    177
    LACNIC Prefixes per ASN:                                       8.08
LACNIC Region origin ASes announcing only one prefix:                71
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    77
Number of LACNIC addresses announced to Internet:               4190976
    Equivalent to 0 /8s, 63 /16s and 243 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-272796 + 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:                   1146
    Total AfriNIC prefixes after maximum aggregation:               159
    AfriNIC Deaggregation factor:                                  7.21
Prefixes being announced from the AfriNIC address blocks:          1146
    Unique aggregates announced from the AfriNIC address blocks:    271
AfriNIC Region origin ASes present in the Internet Routing Table:    25
    AfriNIC Prefixes per ASN:                                     45.84
AfriNIC Region origin ASes announcing only one prefix:                7
AfriNIC Region transit ASes present in the Internet Routing Table:    7
Average AfriNIC Region AS path length visible:                      3.3
    Max AfriNIC Region AS path length visible:                        7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    8
Number of AfriNIC addresses announced to Internet:              2496256
    Equivalent to 0 /8s, 38 /16s and 23 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8,  45/8, 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
  2907         607       2155     455  UNALLOCATED
  7497         427        212      24  UNALLOCATED
  1237         188         75     137  UNALLOCATED
  7575         180        331     127  UNALLOCATED
 58647         164         18       2  UNALLOCATED
 55824         128         19      22  UNALLOCATED
  4538         123       4192      72  UNALLOCATED
  4621          82         37      11  UNALLOCATED
 23570          59          5      11  UNALLOCATED
  1659          57       1450      34  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7896         245         51       7  UNALLOCATED
   376         235        180     158  UNALLOCATED
   668         211        702     182  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  2152         163        507      96  UNALLOCATED
 18558         137         18       4  UNALLOCATED
   270         117        297      87  UNALLOCATED
 23024         114          7      17  UNALLOCATED
  2920         109         34       6  UNALLOCATED
 21976          86         51      18  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8895         140         24       4  UNALLOCATED
  1103          98       1520      85  UNALLOCATED
  1653          52        151      49  UNALLOCATED
  1741          43        183      22  UNALLOCATED
   288          26          5      26  UNALLOCATED
   513          20         87      19  UNALLOCATED
  3267          20         67      17  UNALLOCATED
  8674          17          2      11  UNALLOCATED
   224          13        256      13  UNALLOCATED
 29384          13          3       9  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         180        207      41  UNALLOCATED
 28391         152         10      66  UNALLOCATED
 11340          89         23      50  UNALLOCATED
  1251          66         37      20  UNALLOCATED
  2715          60        102      40  UNALLOCATED
  4270          44         16       1  UNALLOCATED
 19611          44         17       2  UNALLOCATED
 61468          41          3      15  UNALLOCATED
 28614          38          2       2  UNALLOCATED
 28571          37         26      15  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         412         82       3  UNALLOCATED
  2018         317        319      71  UNALLOCATED
327687         137         28       3  UNALLOCATED
  2561          74          5      34  UNALLOCATED
  8094          55         48       4  UNALLOCATED
327700          39         16       1  UNALLOCATED
 37215          29          8       1  UNALLOCATED
  6879          24          2       9  UNALLOCATED
 37501          11         49       6  UNALLOCATED
 37182           9          8       1  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         607       2155     455  UNALLOCATED
  7497         427        212      24  UNALLOCATED
 36914         412         82       3  UNALLOCATED
  2018         317        319      71  UNALLOCATED
  7896         245         51       7  UNALLOCATED
   376         235        180     158  UNALLOCATED
   668         211        702     182  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  1237         188         75     137  UNALLOCATED
  1916         180        207      41  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 36914         412          409  UNALLOCATED
  7497         427          403  UNALLOCATED
  2018         317          246  UNALLOCATED
  7896         245          238  UNALLOCATED
  5786         201          200  UNALLOCATED
 58647         164          162  UNALLOCATED
  1916         180          139  UNALLOCATED
  8895         140          136  UNALLOCATED
327687         137          134  UNALLOCATED
 18558         137          133  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     36843  UNALLOCATED  64.56.80.0/23            11096  UNALLOCATED
     19658  UNALLOCATED  65.205.131.0/24          11096  UNALLOCATED
     36843  UNALLOCATED  108.59.20.0/24           11096  UNALLOCATED
     36843  UNALLOCATED  108.59.23.0/24           11096  UNALLOCATED
     36843  UNALLOCATED  131.91.183.0/24          11096  UNALLOCATED
     36843  UNALLOCATED  131.91.252.0/22          11096  UNALLOCATED
     65248  PRIVATE      134.171.169.0/24         11340  UNALLOCATED
     36843  UNALLOCATED  146.201.218.0/24         11096  UNALLOCATED
     36843  UNALLOCATED  146.201.219.0/24         11096  UNALLOCATED
     22063  UNALLOCATED  153.10.0.0/16             2152  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-badAS

Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-dsua

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNALLOCATED
                    Transit:      1103  UNALLOCATED
192.88.99.0/24       Origin:      1103  UNALLOCATED
                    Transit:     11537  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/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        /8:0        /9:1       /10:2       /11:1       /12:9       
/13:16      /14:31      /15:90      /16:1524    /17:343     /18:383     
/19:502     /20:792     /21:748     /22:1171    /23:1304    /24:9509    
/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
 36914         386         412  UNALLOCATED
  8895         135         140  UNALLOCATED
 23024          53         114  UNALLOCATED
327700          33          39  UNALLOCATED
 28614          32          38  UNALLOCATED
 25977          31          45  UNALLOCATED
263282          30          37  UNALLOCATED
 18632          29          55  UNALLOCATED
 27609          29          45  UNALLOCATED
 32440          29          44  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/TENET/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

   1:4         6:4         8:2        12:1        14:84       18:41     
  23:7        24:6        35:2        38:9        40:1        41:237    
  42:25       44:3        45:46       46:1        47:1        49:10     
  50:4        52:1        58:1        59:20       60:4        61:4      
  62:2        63:38       64:50       65:5        66:53       67:45     
  68:9        69:17       71:1        72:11       74:19       76:32     
  77:4        80:2        81:1        82:2        84:2        85:12     
  86:9        87:1        89:2        91:16       92:1        93:1      
  95:1        96:5        97:1        98:2       101:2       102:7      
 103:288     104:76      106:1       107:16      108:12      109:6      
 110:3       111:20      112:4       114:23      115:1       116:5      
 117:63      118:35      119:18      121:29      122:8       123:8      
 124:40      125:13      128:76      129:166     130:91      131:84     
 132:56      133:137     134:89      136:192     137:147     138:11     
 139:5       140:48      141:1       142:43      143:33      144:53     
 146:121     147:63      148:154     149:13      150:36      151:9      
 152:76      153:1       154:24      155:46      156:63      157:25     
 158:45      159:114     160:26      161:35      162:23      163:65     
 164:40      165:24      166:1       167:15      168:124     169:9      
 170:67      171:1       172:1       173:7       175:32      176:8      
 177:7       179:12      180:21      181:11      182:6       184:7      
 185:13      186:3       187:18      188:3       189:6       190:44     
 191:36      192:1069    193:77      194:57      195:61      196:166    
 197:200     198:509     199:272     200:260     201:39      202:581    
 203:426     204:359     205:182     206:195     207:174     208:62     
 209:120     210:187     211:14      212:131     213:2       214:7      
 216:66      217:2       218:26      219:8       220:24      222:4      
 223:2      

End of report


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