[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Mon Dec 12 21:05:49 UTC 2022


IPv4 R&E Routing Table Report   21:05 GMT Mon 12 Dec, 2022

  IPv4 BGP Table (R&E) as seen at AARNET (Brisbane).

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

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

BGP routing table entries examined:                               17700
    Prefixes after maximum aggregation (per Origin AS):           10082
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11228
    Number of IPv4 prefixes with a valid ROA:                      4271
    Number of IPv4 prefixes with an invalid ROA:                     48
    Number of IPv4 prefixes with no ROA:                          13381
Total ASes present in the Internet Routing Table:                  2576
    Prefixes per ASN:                                              6.87
Origin-only ASes present in the Internet Routing Table:            2217
Origin ASes announcing only one prefix:                             985
Transit ASes present in the Internet Routing Table:                 359
Transit-only ASes present in the Internet Routing Table:             68
Paths with bogon ASNs present in the IPv4 Routing Table:             62
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      19
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 3
    Number of instances of unregistered ASNs:                         3
Number of 32-bit ASNs allocated by the RIRs:                      40870
Number of 32-bit ASNs visible in the Routing Table:                 572
Prefixes from 32-bit ASNs in the Routing Table:                    1649
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:              0
Number of addresses announced to Internet:                    198882304
    Equivalent to 11 /8s, 218 /16s and 180 /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:               99.6
Total number of prefixes smaller than registry allocations:        1848

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

Prefixes being announced by APNIC Region ASes:                     4556
    Total APNIC prefixes after maximum aggregation:                2211
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4558
    Unique aggregates announced from the APNIC address blocks:     2537
APNIC Region origin ASes present in the Internet Routing Table:     519
    APNIC Prefixes per ASN:                                        8.78
APNIC Region origin ASes announcing only one prefix:                221
APNIC Region transit ASes present in the Internet Routing Table:     63
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    190
Number of APNIC addresses announced to Internet:               45460992
    Equivalent to 2 /8s, 181 /16s and 174 /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:                      7257
    Total ARIN prefixes after maximum aggregation:                 4270
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             7272
    Unique aggregates announced from the ARIN address blocks:      4773
ARIN Region origin ASes present in the Internet Routing Table:     1129
    ARIN Prefixes per ASN:                                         6.44
ARIN Region origin ASes announcing only one prefix:                 400
ARIN Region transit ASes present in the Internet Routing Table:     148
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     168
Number of ARIN addresses announced to Internet:                88841984
    Equivalent to 5 /8s, 75 /16s and 159 /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:                      3516
    Total RIPE prefixes after maximum aggregation:                 2823
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3505
    Unique aggregates announced from the RIPE address blocks:      2850
RIPE Region origin ASes present in the Internet Routing Table:      659
    RIPE Prefixes per ASN:                                         5.32
RIPE Region origin ASes announcing only one prefix:                 291
RIPE Region transit ASes present in the Internet Routing Table:      94
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          12
Number of RIPE region 32-bit ASNs visible in the Routing Table:     132
Number of RIPE addresses announced to Internet:                57768704
    Equivalent to 3 /8s, 113 /16s and 123 /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:                    1420
    Total LACNIC prefixes after maximum aggregation:                580
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1417
    Unique aggregates announced from the LACNIC address blocks:     785
LACNIC Region origin ASes present in the Internet Routing Table:    159
    LACNIC Prefixes per ASN:                                       8.91
LACNIC Region origin ASes announcing only one prefix:                59
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:    65
Number of LACNIC addresses announced to Internet:               4211712
    Equivalent to 0 /8s, 64 /16s and 68 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + 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:                    948
    Total AfriNIC prefixes after maximum aggregation:               195
    AfriNIC Deaggregation factor:                                  4.86
Prefixes being announced from the AfriNIC address blocks:           948
    Unique aggregates announced from the AfriNIC address blocks:    283
AfriNIC Region origin ASes present in the Internet Routing Table:    39
    AfriNIC Prefixes per ASN:                                     24.31
AfriNIC Region origin ASes announcing only one prefix:               14
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   17
Number of AfriNIC addresses announced to Internet:              2598912
    Equivalent to 0 /8s, 39 /16s and 168 /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         575       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  7575         347        330     125  AARNET-AS-AP Australian Academic and Re
  1237         186         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  4538         129       4192      73  ERX-CERNET-BKB China Education and Rese
 55824         116         18      12  NKN-CORE-NW NKN Core Network, IN
 24313          83         16       1  NSW-DET-AS NSW Department of Education,
  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/AARNET-Brisbane/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   668         219        702     180  DNIC-AS-00668, US
  2152         203        507      91  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
 23024         113          7      17  OCDE, US
  2920         108         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  1736          81         16       1  MU-AS, 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         281       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         134         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          99       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          64        599      59  FR-RENATER Reseau National de telecommu

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         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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         372        319      72  TENET-1, ZA
 36914         240         82       3  KENET-AS, KE
  2561          66          4      33  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          41         28       3  RENU, UG
 37182          33          8       1  TERNET, TZ
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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         575       2157     462  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         372        319      72  TENET-1, ZA
  7575         347        330     125  AARNET-AS-AP Australian Academic and Re
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         240         82       3  KENET-AS, KE
   668         219        702     180  DNIC-AS-00668, US
  2152         203        507      91  CSUNET-NW, US
   376         200        178     149  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR

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         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         372          300  TENET-1, ZA
 36914         240          237  KENET-AS, KE
  7575         347          222  AARNET-AS-AP Australian Academic and Research N
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         134          130  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  1916         157          114  Rede Nacional de Ensino e Pesquisa, BR
  2152         203          112  CSUNET-NW, US

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
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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      /14:34      /15:121     /16:1929    /17:407     /18:433     
/19:517     /20:816     /21:877     /22:1354    /23:1499    /24:9681    
/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         227         240  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          34          49  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 37182          32          33  TERNET, TZ
 46115          32          35  LUTHER, US
200521          31          54  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN

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

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

   1:4         5:15        6:4         8:2        12:1        14:86     
  18:43       23:6        24:3        31:7        35:4        37:1      
  38:9        41:139      42:10       44:5        45:32       46:5      
  47:1        49:9        50:1        52:1        58:1        59:11     
  60:4        61:3        62:9        63:32       64:30       65:1      
  66:14       67:42       68:8        69:21       70:2        72:7      
  74:49       76:37       77:9        78:3        79:10       80:17     
  81:27       82:8        83:6        84:6        85:41       86:6      
  87:1        88:1        89:10       91:45       92:1        93:4      
  94:4        95:4        96:5        97:3        98:2       101:6      
 102:9       103:276     104:72      108:2       109:10      110:4      
 111:16      113:1       114:23      116:6       117:61      118:19     
 119:23      121:27      122:8       123:8       124:39      125:4      
 128:112     129:39      130:89      131:59      132:58      133:146    
 134:100     136:201     137:209     138:19      139:16      140:57     
 141:1       142:39      143:31      144:23      145:2       146:128    
 147:31      148:191     149:12      150:131     151:7       152:72     
 153:91      154:28      155:52      156:68      157:34      158:39     
 159:116     160:26      161:17      162:16      163:77      164:10     
 165:51      166:1       167:16      168:123     169:9       170:55     
 171:1       172:2       173:6       175:31      176:8       177:10     
 179:10      180:17      181:1       182:8       184:2       185:40     
 186:3       187:19      188:13      189:3       190:17      191:36     
 192:1289    193:311     194:138     195:86      196:159     197:144    
 198:435     199:259     200:232     201:39      202:474     203:323    
 204:331     205:123     206:176     207:173     208:65      209:114    
 210:182     211:14      212:167     213:5       214:8       216:54     
 217:11      218:22      219:6       220:17      222:5       223:4      


End of report


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