[REN-BGP-stats-all] Global R&E Routing Table Report - AARNET (Brisbane) R&E view

REN Routing Table Report cscora at frr.nsrc.org
Sun Sep 5 22:20:27 UTC 2021


Global R&E Routing Table Report   22:17 GMT Sun 05 Sep, 2021

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

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

BGP routing table entries examined:                               17414
    Prefixes after maximum aggregation (per Origin AS):            9974
    Deaggregation factor:                                          1.75
    Unique aggregates announced (without unneeded subnets):       11145
Total ASes present in the Internet Routing Table:                  2625
    Prefixes per ASN:                                              6.63
Origin-only ASes present in the Internet Routing Table:            2261
Origin ASes announcing only one prefix:                            1017
Transit ASes present in the Internet Routing Table:                 364
Transit-only ASes present in the Internet Routing Table:             57
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      14
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:               299
    Number of instances of unregistered ASNs:                       299
Number of 32-bit ASNs allocated by the RIRs:                      37136
Number of 32-bit ASNs visible in the Routing Table:                 562
Prefixes from 32-bit ASNs in the Routing Table:                    1677
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    200361984
    Equivalent to 11 /8s, 241 /16s and 72 /24s
    Percentage of available address space announced:                5.4
    Percentage of allocated address space announced:                5.4
    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:        1715

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

Prefixes being announced by APNIC Region ASes:                     4239
    Total APNIC prefixes after maximum aggregation:                2117
    APNIC Deaggregation factor:                                    2.00
Prefixes being announced from the APNIC address blocks:            4595
    Unique aggregates announced from the APNIC address blocks:     2568
APNIC Region origin ASes present in the Internet Routing Table:     525
    APNIC Prefixes per ASN:                                        8.75
APNIC Region origin ASes announcing only one prefix:                221
APNIC Region transit ASes present in the Internet Routing Table:     57
Average APNIC Region AS path length visible:                        3.9
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    195
Number of APNIC addresses announced to Internet:               45710080
    Equivalent to 2 /8s, 185 /16s and 123 /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:                      7205
    Total ARIN prefixes after maximum aggregation:                 4265
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7151
    Unique aggregates announced from the ARIN address blocks:      4752
ARIN Region origin ASes present in the Internet Routing Table:     1100
    ARIN Prefixes per ASN:                                         6.50
ARIN Region origin ASes announcing only one prefix:                 387
ARIN Region transit ASes present in the Internet Routing Table:     147
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     144
Number of ARIN addresses announced to Internet:                89775360
    Equivalent to 5 /8s, 89 /16s and 221 /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:                      3337
    Total RIPE prefixes after maximum aggregation:                 2725
    RIPE Deaggregation factor:                                     1.22
Prefixes being announced from the RIPE address blocks:             3334
    Unique aggregates announced from the RIPE address blocks:      2737
RIPE Region origin ASes present in the Internet Routing Table:      661
    RIPE Prefixes per ASN:                                         5.04
RIPE Region origin ASes announcing only one prefix:                 319
RIPE Region transit ASes present in the Internet Routing Table:     109
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     127
Number of RIPE addresses announced to Internet:                58023424
    Equivalent to 3 /8s, 117 /16s and 94 /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:                    1431
    Total LACNIC prefixes after maximum aggregation:                572
    LACNIC Deaggregation factor:                                   2.50
Prefixes being announced from the LACNIC address blocks:           1429
    Unique aggregates announced from the LACNIC address blocks:     785
LACNIC Region origin ASes present in the Internet Routing Table:    173
    LACNIC Prefixes per ASN:                                       8.26
LACNIC Region origin ASes announcing only one prefix:                69
LACNIC Region transit ASes present in the Internet Routing Table:    22
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:               4175104
    Equivalent to 0 /8s, 63 /16s and 181 /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:                    903
    Total AfriNIC prefixes after maximum aggregation:               192
    AfriNIC Deaggregation factor:                                  4.70
Prefixes being announced from the AfriNIC address blocks:           903
    Unique aggregates announced from the AfriNIC address blocks:    301
AfriNIC Region origin ASes present in the Internet Routing Table:    49
    AfriNIC Prefixes per ASN:                                     18.43
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:                      4.1
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2677504
    Equivalent to 0 /8s, 40 /16s and 219 /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         434        214      25  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
 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
 24313          79         16       1  NSW-DET-AS NSW Department of Education,
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          56       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 
  2697          55          3      31  ERX-ERNET-AS Education and Research Net

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   376         234        180     158  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
   668         199        700     170  DNIC-AS-00668, US
  2152         157        507      86  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
  2920         108         34       6  LACOE, US
 21976          86         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        528      13  MIT-GATEWAYS, US
  3477          72         71      42  NOAA-NWAVE, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         275       1998     237  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          97       1520      84  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/AARNET/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/AARNET/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         135         28       3  RENU, UG
 36914          98         82       3  KENET-AS, KE
  2561          72          5      31  EUN, EG
  8094          55         48       4  PUKNET, ZA
327700          36         16       1  MoRENet, MZ
 37215          32          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         608       2156     456  SINET-AS Research Organization of Infor
  7497         434        214      25  CSTNET-AS-AP Computer Network Informati
  2018         337        319      74  TENET-1, ZA
 64623         314         16       1  >>UNKNOWN<<
   680         275       1998     237  DFN Verein zur Foerderung eines Deutsch
   376         234        180     158  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
   668         199        700     170  DNIC-AS-00668, US
   786         186       1763     184  JANET Jisc Services Limited, GB
  1237         185         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         434          409  CSTNET-AS-AP Computer Network Information Cente
 64623         314          313  UNASSIGNED
  2018         337          263  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  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
327687         135          132  RENU, UG
 55824         129          106  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     64611  PRIVATE      103.36.12.0/24             575  DNIC-AS-00575, US
     64789  PRIVATE      103.68.92.0/24             575  DNIC-AS-00575, US
     64607  PRIVATE      103.84.224.0/24            575  DNIC-AS-00575, US
     64686  PRIVATE      103.105.112.0/24           575  DNIC-AS-00575, US
     64756  PRIVATE      103.239.212.0/24           575  DNIC-AS-00575, US
     64600  PRIVATE      129.96.0.0/16              575  DNIC-AS-00575, US
     64607  PRIVATE      130.56.0.0/16              575  DNIC-AS-00575, US
     64607  PRIVATE      130.56.3.0/24              575  DNIC-AS-00575, US
     65522  PRIVATE      130.56.240.0/21            575  DNIC-AS-00575, US
     65522  PRIVATE      130.56.248.0/21            575  DNIC-AS-00575, US

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

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

Unassigned Network     ASN Information  AS Name
192.107.242.0/24     Origin:    394784  UNASSIGNED
192.107.242.0/24    Transit:     40831  PHS, 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/AARNET/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      
/13:18      /14:35      /15:117     /16:1949    /17:378     /18:415     
/19:545     /20:844     /21:870     /22:1354    /23:1437    /24:9438    
/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
  8895         136         141  ISU Internet Services Unit ISU, SA
 36914          85          98  KENET-AS, KE
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
327700          32          36  MoRENet, MZ
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          42  LONI, US
200521          29          47  SEAP-AGE, ES

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

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

   1:5         5:15        6:4         8:2        12:1        14:84     
  18:41       23:8        24:3        31:6        37:6        38:9      
  41:146      42:7        44:5        45:55       46:7        47:5      
  49:10       50:1        52:1        58:1        59:11       60:4      
  61:3        62:7        63:33       64:27       66:34       67:43     
  68:8        69:21       72:13       74:19       76:32       77:6      
  78:3        79:10       80:18       81:28       82:4        83:7      
  84:4        85:35       86:9        87:1        88:1        89:10     
  91:45       92:1        93:19       94:4        95:5        96:5      
  97:1        98:2       101:2       102:10      103:283     104:13     
 106:1       107:1       108:5       109:8       110:3       111:16     
 112:4       113:2       114:23      116:5       117:61      118:19     
 119:18      121:26      122:8       124:41      125:5       128:101    
 129:49      130:96      131:90      132:57      133:138     134:97     
 136:195     137:264     138:24      139:15      140:51      141:2      
 142:40      143:39      144:27      146:122     147:36      148:159    
 149:13      150:39      151:6       152:74      153:85      154:24     
 155:49      156:65      157:25      158:45      159:117     160:25     
 161:17      162:28      163:61      164:40      165:54      166:1      
 167:16      168:126     169:9       170:47      171:1       172:2      
 173:1       175:32      176:8       177:10      178:1       179:11     
 180:21      181:1       182:8       184:6       185:40      186:3      
 187:18      188:13      189:6       190:45      191:35      192:1257   
 193:247     194:133     195:92      196:178     197:5       198:431    
 199:260     200:256     201:39      202:420     203:338     204:340    
 205:162     206:171     207:167     208:58      209:107     210:185    
 211:14      212:168     213:4       214:7       216:50      217:15     
 218:25      219:8       220:16      222:4       223:2      

End of report


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