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

REN Routing Table Report cscora at frr.nsrc.org
Sat Jun 5 17:00:12 UTC 2021


Global R&E Routing Table Report   17:00 GMT Sat 05 Jun, 2021

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

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

BGP routing table entries examined:                               17936
    Prefixes after maximum aggregation (per Origin AS):           10139
    Deaggregation factor:                                          1.77
    Unique aggregates announced (without unneeded subnets):       11407
Total ASes present in the Internet Routing Table:                  2693
    Prefixes per ASN:                                              6.66
Origin-only ASes present in the Internet Routing Table:            2298
Origin ASes announcing only one prefix:                            1082
Transit ASes present in the Internet Routing Table:                 395
Transit-only ASes present in the Internet Routing Table:             69
Average AS path length visible in the Internet Routing Table:       4.2
    Max AS path length visible:                                      16
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                16
    Number of instances of unregistered ASNs:                        16
Number of 32-bit ASNs allocated by the RIRs:                      36241
Number of 32-bit ASNs visible in the Routing Table:                 575
Prefixes from 32-bit ASNs in the Routing Table:                    1646
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:              3
Number of addresses announced to Internet:                    202928896
    Equivalent to 12 /8s, 24 /16s and 115 /24s
    Percentage of available address space announced:                5.5
    Percentage of allocated address space announced:                5.5
    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:        2074

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

Prefixes being announced by APNIC Region ASes:                     4650
    Total APNIC prefixes after maximum aggregation:                2336
    APNIC Deaggregation factor:                                    1.99
Prefixes being announced from the APNIC address blocks:            4652
    Unique aggregates announced from the APNIC address blocks:     2693
APNIC Region origin ASes present in the Internet Routing Table:     565
    APNIC Prefixes per ASN:                                        8.23
APNIC Region origin ASes announcing only one prefix:                240
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        4.4
    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:               46306816
    Equivalent to 2 /8s, 194 /16s and 150 /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:                      7454
    Total ARIN prefixes after maximum aggregation:                 4328
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             7472
    Unique aggregates announced from the ARIN address blocks:      4880
ARIN Region origin ASes present in the Internet Routing Table:     1169
    ARIN Prefixes per ASN:                                         6.39
ARIN Region origin ASes announcing only one prefix:                 430
ARIN Region transit ASes present in the Internet Routing Table:     161
Average ARIN Region AS path length visible:                         4.2
    Max ARIN Region AS path length visible:                          16
Number of ARIN region 32-bit ASNs visible in the Routing Table:     144
Number of ARIN addresses announced to Internet:                91890688
    Equivalent to 5 /8s, 122 /16s and 36 /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:                      3358
    Total RIPE prefixes after maximum aggregation:                 2740
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3351
    Unique aggregates announced from the RIPE address blocks:      2744
RIPE Region origin ASes present in the Internet Routing Table:      671
    RIPE Prefixes per ASN:                                         4.99
RIPE Region origin ASes announcing only one prefix:                 323
RIPE Region transit ASes present in the Internet Routing Table:     111
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     126
Number of RIPE addresses announced to Internet:                58208512
    Equivalent to 3 /8s, 120 /16s and 49 /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:                    1265
    Total LACNIC prefixes after maximum aggregation:                534
    LACNIC Deaggregation factor:                                   2.37
Prefixes being announced from the LACNIC address blocks:           1265
    Unique aggregates announced from the LACNIC address blocks:     789
LACNIC Region origin ASes present in the Internet Routing Table:    167
    LACNIC Prefixes per ASN:                                       7.57
LACNIC Region origin ASes announcing only one prefix:                68
LACNIC Region transit ASes present in the Internet Routing Table:    28
Average LACNIC Region AS path length visible:                       5.1
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    71
Number of LACNIC addresses announced to Internet:               3796992
    Equivalent to 0 /8s, 57 /16s and 240 /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:                   1193
    Total AfriNIC prefixes after maximum aggregation:               186
    AfriNIC Deaggregation factor:                                  6.41
Prefixes being announced from the AfriNIC address blocks:          1193
    Unique aggregates announced from the AfriNIC address blocks:    298
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     24.85
AfriNIC Region origin ASes announcing only one prefix:               21
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      2.6
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2721280
    Equivalent to 0 /8s, 41 /16s and 134 /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
  4538         167       4192      72  UNALLOCATED
 58647         164         18       2  UNALLOCATED
 55824         128         19      22  UNALLOCATED
  4621          82         37      11  UNALLOCATED
 23570          59          5      11  UNALLOCATED
 24151          56          4      21  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
  2152         158        507      91  UNALLOCATED
 18558         137         18       4  UNALLOCATED
   270         117        297      87  UNALLOCATED
  2920         109         34       6  UNALLOCATED
 21976          86         51      18  UNALLOCATED
 22742          86         62      44  UNALLOCATED
  1736          80         16       1  UNALLOCATED
     3          78        528      13  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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       1787     185  UNALLOCATED
  8895         140         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          56         82      51  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         179        207      40  UNALLOCATED
 28391         152         10      66  UNALLOCATED
 11340          90         24      51  UNALLOCATED
  2715          60        102      40  UNALLOCATED
  4270          44         16       1  UNALLOCATED
 61468          41          3      15  UNALLOCATED
 28614          38          2       2  UNALLOCATED
263282          37          5      12  UNALLOCATED
 20191          31         16       1  UNALLOCATED
271640          27          8       1  UNALLOCATED

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         413         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
 37074          11          8       2  UNALLOCATED
 37501          11         49       6  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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         413         82       3  UNALLOCATED
  2018         317        319      71  UNALLOCATED
   680         273       1996     235  UNALLOCATED
  7896         245         51       7  UNALLOCATED
   376         235        180     158  UNALLOCATED
  1237         188         75     137  UNALLOCATED
   786         187       1787     185  UNALLOCATED
  7575         180        331     127  UNALLOCATED

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

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

   ASN  No of nets  Net Savings  Description
 36914         413          410  UNALLOCATED
  7497         427          403  UNALLOCATED
  2018         317          246  UNALLOCATED
  7896         245          238  UNALLOCATED
 58647         164          162  UNALLOCATED
  1916         179          139  UNALLOCATED
  8895         140          136  UNALLOCATED
327687         137          134  UNALLOCATED
 18558         137          133  UNALLOCATED
 55824         128          106  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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
     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
     36843  UNALLOCATED  162.223.23.0/24          11096  UNALLOCATED

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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/UbuntuNet/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

Complete listing at https://bgp.nsrc.org/REN/UbuntuNet/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       /12:10      
/13:19      /14:36      /15:117     /16:1984    /17:375     /18:415     
/19:570     /20:851     /21:868     /22:1376    /23:1446    /24:9865    
/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         387         413  UNALLOCATED
  8895         135         140  UNALLOCATED
 23024          53          56  UNALLOCATED
327700          33          39  UNALLOCATED
 28614          32          38  UNALLOCATED
 25977          31          45  UNALLOCATED
263282          30          37  UNALLOCATED
 27609          29          45  UNALLOCATED
 32440          29          44  UNALLOCATED
 40326          29          33  UNALLOCATED

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

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

   1:4         5:15        8:2        12:1        14:84       18:41     
  23:5        24:5        31:6        37:6        38:9        40:1      
  41:240      42:30       44:5        45:54       46:7        47:1      
  49:10       50:1        52:1        58:4        59:20       60:4      
  61:4        62:7        63:34       64:46       65:1        66:38     
  67:43       68:8        69:17       71:1        72:11       74:19     
  76:32       77:5        79:10       80:13       81:32       82:4      
  83:8        84:9        85:33       86:9        87:1        88:1      
  89:10       91:46       92:1        93:12       94:4        95:4      
  96:5        97:1        98:2       101:3       102:9       103:287    
 104:14      106:1       108:8       109:8       110:3       111:19     
 112:4       114:23      115:1       116:5       117:63      118:35     
 119:18      121:30      122:8       123:8       124:40      125:13     
 128:79      129:173     130:91      131:90      132:56      133:137    
 134:91      136:2       137:147     138:11      139:4       140:33     
 141:2       142:43      143:28      144:53      146:121     147:62     
 148:159     149:13      150:36      151:5       152:72      153:11     
 154:24      155:46      156:64      157:25      158:45      159:115    
 160:26      161:17      162:17      163:60      164:40      165:14     
 166:1       167:15      168:124     169:9       170:50      171:1      
 172:1       173:2       175:32      176:8       177:5       178:1      
 179:12      180:21      181:11      182:3       184:7       185:41     
 186:3       187:17      188:13      189:6       190:44      191:30     
 192:1396    193:247     194:145     195:102     196:166     197:198    
 198:465     199:242     200:225     201:38      202:576     203:419    
 204:344     205:172     206:183     207:165     208:58      209:111    
 210:184     211:14      212:165     213:4       216:64      217:16     
 218:26      219:14      220:24      222:4       223:2      

End of report


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