[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 Oct 31 21:05:46 UTC 2022


IPv4 R&E Routing Table Report   21:05 GMT Mon 31 Oct, 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:                               17631
    Prefixes after maximum aggregation (per Origin AS):           10038
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11198
    Number of IPv4 prefixes with a valid ROA:                      4257
    Number of IPv4 prefixes with an invalid ROA:                     48
    Number of IPv4 prefixes with no ROA:                          13326
Total ASes present in the Internet Routing Table:                  2578
    Prefixes per ASN:                                              6.84
Origin-only ASes present in the Internet Routing Table:            2218
Origin ASes announcing only one prefix:                             981
Transit ASes present in the Internet Routing Table:                 360
Transit-only ASes present in the Internet Routing Table:             66
Paths with bogon ASNs present in the IPv4 Routing Table:             84
Average AS path length visible in the Internet Routing Table:       3.9
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      40525
Number of 32-bit ASNs visible in the Routing Table:                 577
Prefixes from 32-bit ASNs in the Routing Table:                    1678
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:                    199284480
    Equivalent to 11 /8s, 224 /16s and 215 /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:        1811

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

Prefixes being announced by APNIC Region ASes:                     4587
    Total APNIC prefixes after maximum aggregation:                2220
    APNIC Deaggregation factor:                                    2.07
Prefixes being announced from the APNIC address blocks:            4589
    Unique aggregates announced from the APNIC address blocks:     2559
APNIC Region origin ASes present in the Internet Routing Table:     531
    APNIC Prefixes per ASN:                                        8.64
APNIC Region origin ASes announcing only one prefix:                223
APNIC Region transit ASes present in the Internet Routing Table:     65
Average APNIC Region AS path length visible:                        3.7
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    200
Number of APNIC addresses announced to Internet:               45597952
    Equivalent to 2 /8s, 183 /16s and 197 /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:                      7186
    Total ARIN prefixes after maximum aggregation:                 4223
    ARIN Deaggregation factor:                                     1.70
Prefixes being announced from the ARIN address blocks:             7201
    Unique aggregates announced from the ARIN address blocks:      4729
ARIN Region origin ASes present in the Internet Routing Table:     1122
    ARIN Prefixes per ASN:                                         6.42
ARIN Region origin ASes announcing only one prefix:                 395
ARIN Region transit ASes present in the Internet Routing Table:     148
Average ARIN Region AS path length visible:                         4.0
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     166
Number of ARIN addresses announced to Internet:                89141248
    Equivalent to 5 /8s, 80 /16s and 48 /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:                      3502
    Total RIPE prefixes after maximum aggregation:                 2816
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3493
    Unique aggregates announced from the RIPE address blocks:      2834
RIPE Region origin ASes present in the Internet Routing Table:      658
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 290
RIPE Region transit ASes present in the Internet Routing Table:      93
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     134
Number of RIPE addresses announced to Internet:                57763328
    Equivalent to 3 /8s, 113 /16s and 102 /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:                577
    LACNIC Deaggregation factor:                                   2.46
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:    161
    LACNIC Prefixes per ASN:                                       8.80
LACNIC Region origin ASes announcing only one prefix:                61
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    64
Number of LACNIC addresses announced to Internet:               4211456
    Equivalent to 0 /8s, 64 /16s and 67 /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:                    931
    Total AfriNIC prefixes after maximum aggregation:               197
    AfriNIC Deaggregation factor:                                  4.73
Prefixes being announced from the AfriNIC address blocks:           931
    Unique aggregates announced from the AfriNIC address blocks:    291
AfriNIC Region origin ASes present in the Internet Routing Table:    35
    AfriNIC Prefixes per ASN:                                     26.60
AfriNIC Region origin ASes announcing only one prefix:               12
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                       10
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2570496
    Equivalent to 0 /8s, 39 /16s and 57 /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         570       2156     457  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  7575         349        330     128  AARNET-AS-AP Australian Academic and Re
  1237         187         74     135  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         115         18      11  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         220        703     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         199        507      91  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
 23024         115          7      13  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
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  1930          58         81      53  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         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  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         374        319      72  TENET-1, ZA
 36914         244         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      14  TERNET, TZ
 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         570       2156     457  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         374        319      72  TENET-1, ZA
  7575         349        330     128  AARNET-AS-AP Australian Academic and Re
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         244         82       3  KENET-AS, KE
   668         220        703     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         199        507      91  CSUNET-NW, US

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         374          302  TENET-1, ZA
 36914         244          241  KENET-AS, KE
  7575         349          221  AARNET-AS-AP Australian Academic and Research N
  5786         200          199  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         199          108  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
     65000  PRIVATE      194.14.96.0/24            2837  SUNET-KI, SE
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, 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     /16:1934    /17:405     /18:433     
/19:519     /20:816     /21:873     /22:1362    /23:1505    /24:9597    
/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         231         244  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          53         115  OCDE, US
 32440          33          48  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          52  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
327700          28          33  MoRENet, MZ

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        38:9      
  41:127      42:10       44:5        45:32       46:5        47:1      
  49:10       50:1        52:1        58:1        59:11       60:4      
  61:3        62:8        63:3        64:29       65:1        66:15     
  67:42       68:8        69:20       70:2        72:6        74:49     
  76:37       77:8        78:3        79:10       80:17       81:27     
  82:8        83:6        84:6        85:42       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      
 103:291     104:74      108:5       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    
 129:37      130:90      131:57      132:58      133:146     134:101    
 136:202     137:220     138:19      139:16      140:57      141:1      
 142:23      143:31      144:23      145:2       146:128     147:32     
 148:191     149:12      150:131     151:6       152:72      153:91     
 154:28      155:52      156:68      157:23      158:42      159:116    
 160:26      161:18      162:18      163:75      164:10      165:51     
 166:1       167:16      168:123     169:9       170:56      171:1      
 172:2       173:6       175:30      176:8       177:10      179:10     
 180:18      181:1       182:6       184:1       185:40      186:3      
 187:19      188:13      189:3       190:18      191:36      192:1275   
 193:312     194:136     195:87      196:161     197:147     198:430    
 199:256     200:231     201:39      202:472     203:323     204:326    
 205:120     206:165     207:164     208:65      209:115     210:183    
 211:13      212:169     213:5       214:8       216:53      217:11     
 218:22      219:6       220:17      222:5       223:4      

End of report


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