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

REN Routing Table Report cscora at frr.nsrc.org
Thu Sep 2 22:05:58 UTC 2021


Global R&E Routing Table Report   22:05 GMT Thu 02 Sep, 2021

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

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

BGP routing table entries examined:                               22099
    Prefixes after maximum aggregation (per Origin AS):           12151
    Deaggregation factor:                                          1.82
    Unique aggregates announced (without unneeded subnets):       14445
Total ASes present in the Internet Routing Table:                  2778
    Prefixes per ASN:                                              7.96
Origin-only ASes present in the Internet Routing Table:            2384
Origin ASes announcing only one prefix:                            1099
Transit ASes present in the Internet Routing Table:                 394
Transit-only ASes present in the Internet Routing Table:             63
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                11
    Number of instances of unregistered ASNs:                        11
Number of 32-bit ASNs allocated by the RIRs:                      37099
Number of 32-bit ASNs visible in the Routing Table:                 606
Prefixes from 32-bit ASNs in the Routing Table:                    1769
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:              6
Number of addresses announced to Internet:                    289463808
    Equivalent to 17 /8s, 64 /16s and 222 /24s
    Percentage of available address space announced:                7.8
    Percentage of allocated address space announced:                7.8
    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:        2809

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

Prefixes being announced by APNIC Region ASes:                     4701
    Total APNIC prefixes after maximum aggregation:                2334
    APNIC Deaggregation factor:                                    2.01
Prefixes being announced from the APNIC address blocks:            4762
    Unique aggregates announced from the APNIC address blocks:     2730
APNIC Region origin ASes present in the Internet Routing Table:     572
    APNIC Prefixes per ASN:                                        8.33
APNIC Region origin ASes announcing only one prefix:                241
APNIC Region transit ASes present in the Internet Routing Table:     64
Average APNIC Region AS path length visible:                        4.2
    Max APNIC Region AS path length visible:                         14
Number of APNIC region 32-bit ASNs visible in the Routing Table:    216
Number of APNIC addresses announced to Internet:               46897408
    Equivalent to 2 /8s, 203 /16s and 153 /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:                     11677
    Total ARIN prefixes after maximum aggregation:                 6313
    ARIN Deaggregation factor:                                     1.85
Prefixes being announced from the ARIN address blocks:            11548
    Unique aggregates announced from the ARIN address blocks:      7754
ARIN Region origin ASes present in the Internet Routing Table:     1249
    ARIN Prefixes per ASN:                                         9.25
ARIN Region origin ASes announcing only one prefix:                 445
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         3.7
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     161
Number of ARIN addresses announced to Internet:               175392256
    Equivalent to 10 /8s, 116 /16s and 70 /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:                      3341
    Total RIPE prefixes after maximum aggregation:                 2720
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3411
    Unique aggregates announced from the RIPE address blocks:      2837
RIPE Region origin ASes present in the Internet Routing Table:      665
    RIPE Prefixes per ASN:                                         5.13
RIPE Region origin ASes announcing only one prefix:                 322
RIPE Region transit ASes present in the Internet Routing Table:     108
Average RIPE Region AS path length visible:                         4.6
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     129
Number of RIPE addresses announced to Internet:                59650816
    Equivalent to 3 /8s, 142 /16s and 51 /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:                    1461
    Total LACNIC prefixes after maximum aggregation:                585
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1461
    Unique aggregates announced from the LACNIC address blocks:     814
LACNIC Region origin ASes present in the Internet Routing Table:    175
    LACNIC Prefixes per ASN:                                       8.35
LACNIC Region origin ASes announcing only one prefix:                69
LACNIC Region transit ASes present in the Internet Routing Table:    24
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:    73
Number of LACNIC addresses announced to Internet:               4712704
    Equivalent to 0 /8s, 71 /16s and 233 /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:                    908
    Total AfriNIC prefixes after maximum aggregation:               193
    AfriNIC Deaggregation factor:                                  4.70
Prefixes being announced from the AfriNIC address blocks:           911
    Unique aggregates announced from the AfriNIC address blocks:    304
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.22
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2809088
    Equivalent to 0 /8s, 42 /16s and 221 /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         608       2156     456  SINET-AS Research Organization of Infor
  7497         433        214      25  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  7575         180        330     126  AARNET-AS-AP Australian Academic and Re
 58647         164         18       2  KAGAWAU-AS Kagawa University, JP
 55824         129         19      23  NKN-CORE-NW NKN Core Network, IN
  4538         126       4192      72  ERX-CERNET-BKB China Education and Rese
  4621          81         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2384       4249     828  AMAZON-02, US
 14618         516       3984     387  AMAZON-AES, US
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR
   668         193        683     165  DNIC-AS-00668, US
  2152         159        507      88  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         274       1997     236  DFN Verein zur Foerderung eines Deutsch
   786         186       1763     184  JANET Jisc Services Limited, GB
  8895         141         24       4  ISU Internet Services Unit ISU, SA
   559         116        550     107  SWITCH Peering requests: peering at switch
  1103          98       1520      85  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  2614          62         32      59  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         178        207      41  Associacao Rede Nacional de Ensino e Pe
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          94         24      54  Red Universitaria Nacional, CL
  1251          65         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 19611          44         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         337        319      74  TENET-1, ZA
327687         132         28       3  RENU, UG
 36914         100         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          38         16       1  MoRENet, MZ
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37074          11          8       2  UG-AS, GH

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        2384       4249     828  AMAZON-02, US
  2907         608       2156     456  SINET-AS Research Organization of Infor
 14618         516       3984     387  AMAZON-AES, US
  7497         433        214      25  CSTNET-AS-AP Computer Network Informati
  2018         337        319      74  TENET-1, ZA
   680         274       1997     236  DFN Verein zur Foerderung eines Deutsch
  7896         241         51       7  NU-AS, US
   376         234        180     158  RISQ-AS, CA
  8075         206      11189     185  MICROSOFT-CORP-MSN-AS-BLOCK, US
  5786         201         16       1  UPRENET, PR

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

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

   ASN  No of nets  Net Savings  Description
  7497         433          408  CSTNET-AS-AP Computer Network Information Cente
  2018         337          263  TENET-1, ZA
  7896         241          234  NU-AS, US
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  2907         608          152  SINET-AS Research Organization of Information a
  1916         178          137  Associacao Rede Nacional de Ensino e Pesquisa, 
  8895         141          137  ISU Internet Services Unit ISU, SA
 18558         137          133  NETBLK-RCOEK, US
 14618         516          129  AMAZON-AES, US

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     19658  UNALLOCATED  65.205.131.0/24          11096  FLORIDANET, US
     14822  UNALLOCATED  140.163.0.0/16           10466  MAGPI, US
     14822  UNALLOCATED  140.163.0.0/17           10466  MAGPI, US
     14822  UNALLOCATED  140.163.6.0/24           10466  MAGPI, US
     14822  UNALLOCATED  140.163.64.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.70.0/24          10466  MAGPI, US
     14822  UNALLOCATED  140.163.128.0/17         10466  MAGPI, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
    394784  UNALLOCATED  192.107.242.0/24         40831  PHS, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, US
198.135.168.0/24     Origin:     14618  AMAZON-AES, US
198.135.168.0/24    Transit:     16509  AMAZON-02, US
205.166.145.0/24     Origin:    394784  UNASSIGNED
205.166.145.0/24    Transit:     40831  PHS, US

Complete listing at https://bgp.nsrc.org/REN/CENIC/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       /10:4       /11:7       /12:29      
/13:34      /14:81      /15:194     /16:2152    /17:448     /18:458     
/19:627     /20:990     /21:994     /22:1575    /23:1692    /24:12813   
/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
 16509         640        2384  AMAZON-02, US
 14618         171         516  AMAZON-AES, US
  8895         136         141  ISU Internet Services Unit ISU, SA
 36914          87         100  KENET-AS, KE
 23024          53         114  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          38  MoRENet, MZ
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 18632          29          55  VOLCANO-VISION, US

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

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

   1:5         3:74        4:2         5:16        6:4         8:2      
  12:1        13:208      14:84       15:23       18:41       23:28     
  24:6        31:6        35:1        37:6        38:9        40:3      
  41:148      42:25       44:5        45:70       46:9        47:1      
  49:10       50:8        52:630      54:138      58:2        59:20     
  60:4        61:3        62:7        63:42       64:124      65:11     
  66:67       67:60       68:18       69:47       70:7        71:9      
  72:19       74:40       75:128      76:164      77:8        78:3      
  79:10       80:18       81:30       82:5        83:7        84:4      
  85:39       86:9        87:1        88:1        89:11       91:53     
  92:1        93:19       94:4        95:6        96:6        97:1      
  98:9        99:175     101:2       102:10      103:317     104:111    
 106:1       107:24      108:21      109:9       110:3       111:21     
 112:4       113:1       114:23      116:5       117:61      118:32     
 119:18      121:26      122:11      123:8       124:41      125:10     
 128:81      129:181     130:111     131:108     132:60      133:138    
 134:97      135:1       136:205     137:152     138:11      139:16     
 140:51      141:3       142:61      143:41      144:63      146:126    
 147:66      148:167     149:16      150:47      151:8       152:77     
 153:11      154:25      155:58      156:66      157:29      158:48     
 159:120     160:32      161:20      162:54      163:65      164:48     
 165:60      166:1       167:21      168:167     169:10      170:112    
 171:1       172:10      173:24      174:1       175:32      176:12     
 177:10      178:3       179:12      180:21      181:11      182:6      
 184:4       185:53      186:3       187:18      188:14      189:6      
 190:48      191:36      192:1500    193:246     194:124     195:86     
 196:179     197:5       198:536     199:309     200:256     201:39     
 202:633     203:432     204:389     205:202     206:207     207:190    
 208:94      209:140     210:186     211:14      212:170     213:13     
 214:7       216:112     217:15      218:26      219:8       220:16     
 222:4       223:2      

End of report


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