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

REN Routing Table Report cscora at frr.nsrc.org
Sun Jul 25 22:10:58 UTC 2021


Global R&E Routing Table Report   22:10 GMT Sun 25 Jul, 2021

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

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

BGP routing table entries examined:                               21703
    Prefixes after maximum aggregation (per Origin AS):           11408
    Deaggregation factor:                                          1.90
    Unique aggregates announced (without unneeded subnets):       13482
Total ASes present in the Internet Routing Table:                  2706
    Prefixes per ASN:                                              8.02
Origin-only ASes present in the Internet Routing Table:            2316
Origin ASes announcing only one prefix:                            1065
Transit ASes present in the Internet Routing Table:                 390
Transit-only ASes present in the Internet Routing Table:             67
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      17
    Max AS path prepend of ASN (207352)                              12
Prefixes from unregistered ASNs in the Routing Table:                25
    Number of instances of unregistered ASNs:                        25
Number of 32-bit ASNs allocated by the RIRs:                      36704
Number of 32-bit ASNs visible in the Routing Table:                 590
Prefixes from 32-bit ASNs in the Routing Table:                    1964
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:              7
Number of addresses announced to Internet:                    238833095
    Equivalent to 14 /8s, 60 /16s and 77 /24s
    Percentage of available address space announced:                6.5
    Percentage of allocated address space announced:                6.5
    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:        3223

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

Prefixes being announced by APNIC Region ASes:                     4787
    Total APNIC prefixes after maximum aggregation:                2363
    APNIC Deaggregation factor:                                    2.03
Prefixes being announced from the APNIC address blocks:            4801
    Unique aggregates announced from the APNIC address blocks:     2720
APNIC Region origin ASes present in the Internet Routing Table:     572
    APNIC Prefixes per ASN:                                        8.39
APNIC Region origin ASes announcing only one prefix:                239
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    213
Number of APNIC addresses announced to Internet:               46282304
    Equivalent to 2 /8s, 194 /16s and 54 /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:                     10938
    Total ARIN prefixes after maximum aggregation:                 5406
    ARIN Deaggregation factor:                                     2.02
Prefixes being announced from the ARIN address blocks:            10878
    Unique aggregates announced from the ARIN address blocks:      6700
ARIN Region origin ASes present in the Internet Routing Table:     1164
    ARIN Prefixes per ASN:                                         9.35
ARIN Region origin ASes announcing only one prefix:                 416
ARIN Region transit ASes present in the Internet Routing Table:     157
Average ARIN Region AS path length visible:                         4.6
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     150
Number of ARIN addresses announced to Internet:               127473841
    Equivalent to 7 /8s, 153 /16s and 24 /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:                      3419
    Total RIPE prefixes after maximum aggregation:                 2760
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3476
    Unique aggregates announced from the RIPE address blocks:      2861
RIPE Region origin ASes present in the Internet Routing Table:      675
    RIPE Prefixes per ASN:                                         5.15
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     131
Number of RIPE addresses announced to Internet:                58152832
    Equivalent to 3 /8s, 119 /16s and 87 /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:                    1649
    Total LACNIC prefixes after maximum aggregation:                673
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1656
    Unique aggregates announced from the LACNIC address blocks:     893
LACNIC Region origin ASes present in the Internet Routing Table:    172
    LACNIC Prefixes per ASN:                                       9.63
LACNIC Region origin ASes announcing only one prefix:                64
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:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    70
Number of LACNIC addresses announced to Internet:               4231510
    Equivalent to 0 /8s, 64 /16s and 145 /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:                    885
    Total AfriNIC prefixes after maximum aggregation:               187
    AfriNIC Deaggregation factor:                                  4.73
Prefixes being announced from the AfriNIC address blocks:           885
    Unique aggregates announced from the AfriNIC address blocks:    301
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.06
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.6
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2686976
    Equivalent to 0 /8s, 41 /16s and 0 /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         630       2155     456  UNALLOCATED
  7497         436        214      25  UNALLOCATED
 58647         198         18       2  UNALLOCATED
  1237         192         75     137  UNALLOCATED
  7575         179        330     125  UNALLOCATED
 55824         129         19      23  UNALLOCATED
  4538         124       4192      72  UNALLOCATED
  4621          81         37      10  UNALLOCATED
  4762          65          4       1  UNALLOCATED
 23570          59          5      11  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        1636       1538     468  UNALLOCATED
 15169         742       3278      65  UNALLOCATED
 14618         497       3967     369  UNALLOCATED
  7896         246         51       7  UNALLOCATED
   376         234        180     158  UNALLOCATED
396982         226        120     147  UNALLOCATED
  5786         201         16       1  UNALLOCATED
  2152         155        507      87  UNALLOCATED
 36492         144         10      46  UNALLOCATED
 18558         137         18       4  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         273       1996     235  UNALLOCATED
   786         187       1779     185  UNALLOCATED
  8895         173         24       4  UNALLOCATED
   559         116        550     107  UNALLOCATED
  1103          98       1520      85  UNALLOCATED
   137          82        677      77  UNALLOCATED
   553          72        449      72  UNALLOCATED
  2200          66        647      61  UNALLOCATED
  2614          62         32      59  UNALLOCATED
  1930          57         81      52  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         202        207      41  UNALLOCATED
 28391         152         10      66  UNALLOCATED
 11340         106         25      52  UNALLOCATED
 27947         102          0      83  UNALLOCATED
 27884          93          6       2  UNALLOCATED
  1251          65         37      20  UNALLOCATED
  2715          60        102      40  UNALLOCATED
  4270          44         16       1  UNALLOCATED
 19611          44         17       2  UNALLOCATED
 28614          38          2       2  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         329        319      74  UNALLOCATED
327687         134         28       3  UNALLOCATED
 36914          95         82       3  UNALLOCATED
  2561          75          5      33  UNALLOCATED
  8094          55         48       4  UNALLOCATED
327700          37         16       1  UNALLOCATED
 37215          30          8       1  UNALLOCATED
  6879          24          2       9  UNALLOCATED
 37074          11          8       2  UNALLOCATED
 37182          11          8       1  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        1636       1538     468  UNALLOCATED
 15169         742       3278      65  UNALLOCATED
  2907         630       2155     456  UNALLOCATED
 14618         497       3967     369  UNALLOCATED
  7497         436        214      25  UNALLOCATED
  2018         329        319      74  UNALLOCATED
   680         273       1996     235  UNALLOCATED
  7896         246         51       7  UNALLOCATED
   376         234        180     158  UNALLOCATED
396982         226        120     147  UNALLOCATED

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

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

   ASN  No of nets  Net Savings  Description
 15169         742          677  UNALLOCATED
  7497         436          411  UNALLOCATED
  2018         329          255  UNALLOCATED
  7896         246          239  UNALLOCATED
  5786         201          200  UNALLOCATED
 58647         198          196  UNALLOCATED
  2907         630          174  UNALLOCATED
  8895         173          169  UNALLOCATED
  1916         202          161  UNALLOCATED
 18558         137          133  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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
     14822  UNALLOCATED  140.163.0.0/16           10466  UNALLOCATED
     14822  UNALLOCATED  140.163.0.0/17           10466  UNALLOCATED
     14822  UNALLOCATED  140.163.6.0/24           10466  UNALLOCATED
     14822  UNALLOCATED  140.163.64.0/24          10466  UNALLOCATED

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

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

Unassigned Network     ASN Information  AS Name
164.160.240.0/20     Origin:    328439  UNALLOCATED
                    Transit:    327992  UNALLOCATED
192.31.196.0/24      Origin:       112  UNALLOCATED
                    Transit:      1103  UNALLOCATED
192.88.99.0/24       Origin:      1103  UNALLOCATED
                    Transit:     11537  UNALLOCATED
192.107.242.0/24     Origin:    394784  UNALLOCATED
                    Transit:     40831  UNALLOCATED
198.135.168.0/24     Origin:     14618  UNALLOCATED
                    Transit:     16509  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/CEDIA/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       /11:3       /12:17      
/13:33      /14:77      /15:154     /16:2084    /17:403     /18:435     
/19:710     /20:959     /21:943     /22:1484    /23:1584    /24:12430   
/25:85      /26:68      /27:55      /28:38      /29:90      /30:33      
/31:9       /32:6       

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 16509         514        1636  UNALLOCATED
 15169         275         742  UNALLOCATED
  8895         168         173  UNALLOCATED
 14618         158         497  UNALLOCATED
 27947          97         102  UNALLOCATED
 27884          90          93  UNALLOCATED
 36914          82          95  UNALLOCATED
 23024          53          56  UNALLOCATED
396982          45         226  UNALLOCATED
 36492          43         144  UNALLOCATED

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

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

   1:5         3:54        5:16        8:4        12:1        13:155    
  14:84       15:11       18:41       23:52       24:6        31:6      
  35:6        37:6        38:9        40:1        41:137      42:26     
  44:5        45:67       46:9        47:1        49:10       50:1      
  52:427      54:98       58:1        59:20       60:4        61:4      
  62:7        63:35       64:130      65:5        66:54       67:56     
  68:10       69:31       70:16       71:3        72:14       74:99     
  75:128      76:160      77:8        78:4        79:10       80:14     
  81:32       82:5        83:7        84:6        85:37       86:9      
  87:1        88:1        89:15       91:51       92:2        93:12     
  94:4        95:5        96:6        97:1        98:7        99:164    
 101:2       102:9       103:306     104:85      106:1       107:2      
 108:52      109:9       110:3       111:20      112:4       114:23     
 115:1       116:4       117:61      118:35      119:19      121:29     
 122:8       123:8       124:42      125:13      128:81      129:174    
 130:113     131:96      132:60      133:137     134:92      135:10     
 136:254     137:158     138:10      139:16      140:36      141:3      
 142:170     143:49      144:70      146:136     147:68      148:164    
 149:18      150:38      151:7       152:78      153:11      154:24     
 155:52      156:64      157:26      158:45      159:120     160:25     
 161:21      162:37      163:63      164:47      165:18      166:1      
 167:19      168:155     169:10      170:69      171:1       172:107    
 173:87      174:1       175:32      176:11      177:8       178:3      
 179:11      180:21      181:12      182:6       184:6       185:57     
 186:3       187:18      188:19      189:6       190:125     191:35     
 192:1406    193:249     194:124     195:88      196:169     197:4      
 198:471     199:256     200:241     201:36      202:633     203:428    
 204:363     205:185     206:204     207:184     208:77      209:148    
 210:190     211:14      212:170     213:12      216:124     217:24     
 218:26      219:8       220:24      222:4       223:2      

End of report


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