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

REN Routing Table Report cscora at frr.nsrc.org
Mon Nov 8 21:05:30 UTC 2021


Global R&E Routing Table Report   21:05 GMT Mon 08 Nov, 2021

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

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

BGP routing table entries examined:                               17160
    Prefixes after maximum aggregation (per Origin AS):            9898
    Deaggregation factor:                                          1.73
    Unique aggregates announced (without unneeded subnets):       10997
Total ASes present in the Internet Routing Table:                  2597
    Prefixes per ASN:                                              6.61
Origin-only ASes present in the Internet Routing Table:            2238
Origin ASes announcing only one prefix:                            1017
Transit ASes present in the Internet Routing Table:                 359
Transit-only ASes present in the Internet Routing Table:             53
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:               306
    Number of instances of unregistered ASNs:                       306
Number of 32-bit ASNs allocated by the RIRs:                      37784
Number of 32-bit ASNs visible in the Routing Table:                 555
Prefixes from 32-bit ASNs in the Routing Table:                    1651
Number of bogon 32-bit ASNs visible in the Routing Table:             2
Special use prefixes present in the Routing Table:                    0
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    199792128
    Equivalent to 11 /8s, 232 /16s and 150 /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:        1678

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

Prefixes being announced by APNIC Region ASes:                     4289
    Total APNIC prefixes after maximum aggregation:                2171
    APNIC Deaggregation factor:                                    1.98
Prefixes being announced from the APNIC address blocks:            4576
    Unique aggregates announced from the APNIC address blocks:     2570
APNIC Region origin ASes present in the Internet Routing Table:     533
    APNIC Prefixes per ASN:                                        8.59
APNIC Region origin ASes announcing only one prefix:                227
APNIC Region transit ASes present in the Internet Routing Table:     61
Average APNIC Region AS path length visible:                        3.8
    Max APNIC Region AS path length visible:                         13
Number of APNIC region 32-bit ASNs visible in the Routing Table:    201
Number of APNIC addresses announced to Internet:               45591552
    Equivalent to 2 /8s, 183 /16s and 172 /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, 131072-151865
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:                      7108
    Total ARIN prefixes after maximum aggregation:                 4230
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             7136
    Unique aggregates announced from the ARIN address blocks:      4717
ARIN Region origin ASes present in the Internet Routing Table:     1109
    ARIN Prefixes per ASN:                                         6.43
ARIN Region origin ASes announcing only one prefix:                 391
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:     146
Number of ARIN addresses announced to Internet:                89636352
    Equivalent to 5 /8s, 87 /16s and 190 /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:                      3348
    Total RIPE prefixes after maximum aggregation:                 2727
    RIPE Deaggregation factor:                                     1.23
Prefixes being announced from the RIPE address blocks:             3340
    Unique aggregates announced from the RIPE address blocks:      2741
RIPE Region origin ASes present in the Internet Routing Table:      658
    RIPE Prefixes per ASN:                                         5.08
RIPE Region origin ASes announcing only one prefix:                 316
RIPE Region transit ASes present in the Internet Routing Table:     104
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:                58061824
    Equivalent to 3 /8s, 117 /16s and 244 /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:                    1195
    Total LACNIC prefixes after maximum aggregation:                483
    LACNIC Deaggregation factor:                                   2.47
Prefixes being announced from the LACNIC address blocks:           1192
    Unique aggregates announced from the LACNIC address blocks:     672
LACNIC Region origin ASes present in the Internet Routing Table:    135
    LACNIC Prefixes per ASN:                                       8.83
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    18
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    57
Number of LACNIC addresses announced to Internet:               3766016
    Equivalent to 0 /8s, 57 /16s and 119 /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:                    914
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.86
Prefixes being announced from the AfriNIC address blocks:           914
    Unique aggregates announced from the AfriNIC address blocks:    295
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.28
AfriNIC Region origin ASes announcing only one prefix:               22
AfriNIC Region transit ASes present in the Internet Routing Table:   13
Average AfriNIC Region AS path length visible:                      4.1
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   24
Number of AfriNIC addresses announced to Internet:              2735872
    Equivalent to 0 /8s, 41 /16s and 191 /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         610       2157     457  SINET-AS Research Organization of Infor
  7497         430        182      24  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         128         19      22  NKN-CORE-NW NKN Core Network, IN
  4538         127       4192      72  ERX-CERNET-BKB China Education and Rese
 24313          80         16       1  NSW-DET-AS NSW Department of Education,
  7575          64         40      44  AARNET-AS-AP Australian Academic and Re
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          54       1450      34  ERX-TANET-ASN1 Taiwan Academic Network 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         211        702     182  DNIC-AS-00668, US
   376         205        179     154  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
  2152         158        507      86  CSUNET-NW, US
 18558         137         18       4  NETBLK-RCOEK, US
  2920         109         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          78        528      13  MIT-GATEWAYS, US
  3477          72         71      42  NOAA-NWAVE, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         276       1998     238  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
  8895         143         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  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          67        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         177        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          60        102      40  Fundacao Carlos Chagas Filho de Amparo 
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 28571          37         26      15  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         340        319      73  TENET-1, ZA
327687         138         28       3  RENU, UG
 36914          99         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          41         16       1  MoRENet, MZ
 37215          33          8       1  MAREN, MW
  6879          24          2       9  ENSTINET-, EG
 37182          15          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         610       2157     457  SINET-AS Research Organization of Infor
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         340        319      73  TENET-1, ZA
 64623         318         16       1  >>UNKNOWN<<
   680         276       1998     238  DFN Verein zur Foerderung eines Deutsch
   668         211        702     182  DNIC-AS-00668, US
   376         205        179     154  RISQ-AS, CA
  5786         201         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         185         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         430          406  CSTNET-AS-AP Computer Network Information Cente
 64623         318          317  UNASSIGNED
  2018         340          267  TENET-1, ZA
  5786         201          200  UPRENET, PR
 58647         164          162  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
  1916         177          136  Associacao Rede Nacional de Ensino e Pesquisa, 
327687         138          135  RENU, UG
 18558         137          133  NETBLK-RCOEK, US
 55824         128          106  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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            7575  AARNET-AS-AP Australian Acad
     64789  PRIVATE      103.68.92.0/24            7575  AARNET-AS-AP Australian Acad
     64607  PRIVATE      103.84.224.0/24           7575  AARNET-AS-AP Australian Acad
     64686  PRIVATE      103.105.112.0/24          7575  AARNET-AS-AP Australian Acad
     64756  PRIVATE      103.239.212.0/24          7575  AARNET-AS-AP Australian Acad
     64600  PRIVATE      129.96.0.0/16             7575  AARNET-AS-AP Australian Acad
     64607  PRIVATE      130.56.0.0/16             7575  AARNET-AS-AP Australian Acad
     64607  PRIVATE      130.56.3.0/24             7575  AARNET-AS-AP Australian Acad
     65522  PRIVATE      130.56.240.0/21           7575  AARNET-AS-AP Australian Acad
     65522  PRIVATE      130.56.248.0/21           7575  AARNET-AS-AP Australian Acad

Complete listing at https://bgp.nsrc.org/REN/AARNET-Brisbane/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-Brisbane/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      /15:122     /16:1943    /17:376     /18:423     
/19:523     /20:833     /21:853     /22:1339    /23:1438    /24:9243    
/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         138         143  ISU Internet Services Unit ISU, SA
 36914          85          99  KENET-AS, KE
 23024          53          56  OCDE, US
327700          35          41  MoRENet, MZ
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
200521          29          47  SEAP-AGE, ES

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

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

   1:5         5:15        6:4         8:2        12:1        14:84     
  18:42       23:8        24:3        31:6        37:6        38:9      
  41:150      42:8        44:5        45:29       46:6        47:5      
  49:10       50:1        52:1        59:11       60:4        61:3      
  62:5        63:33       64:27       66:34       67:43       68:8      
  69:21       72:12       74:19       76:32       77:6        78:3      
  79:10       80:17       81:27       82:5        83:7        84:6      
  85:33       86:9        87:1        88:1        89:10       91:46     
  92:1        93:19       94:4        95:4        96:5        97:1      
  98:2       101:6       102:15      103:279     104:14      106:1      
 107:1       108:5       109:9       110:3       111:16      112:4      
 113:1       114:23      116:5       117:61      118:19      119:20     
 121:26      122:8       124:39      125:4       128:103     129:36     
 130:94      131:84      132:58      133:138     134:100     136:195    
 137:275     138:21      139:15      140:50      141:2       142:40     
 143:31      144:27      146:122     147:34      148:159     149:13     
 150:40      151:6       152:73      153:86      154:23      155:50     
 156:68      157:25      158:42      159:117     160:25      161:17     
 162:25      163:65      164:42      165:54      166:1       167:16     
 168:101     169:9       170:8       171:1       172:2       173:1      
 175:31      176:8       177:10      178:1       179:10      180:21     
 182:8       184:3       185:36      186:3       187:18      188:13     
 189:3       190:18      191:33      192:1261    193:253     194:132    
 195:92      196:179     197:5       198:430     199:259     200:208    
 201:39      202:430     203:327     204:312     205:163     206:176    
 207:170     208:56      209:107     210:184     211:14      212:170    
 213:4       214:7       216:56      217:14      218:25      219:8      
 220:17      222:5       223:2      

End of report


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