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

REN Routing Table Report cscora at frr.nsrc.org
Fri Apr 28 20:25:40 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Fri 28 Apr, 2023

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

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

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

BGP routing table entries examined:                               22613
    Prefixes after maximum aggregation (per Origin AS):           11100
    Deaggregation factor:                                          2.04
    Unique aggregates announced (without unneeded subnets):       12488
    Number of IPv4 prefixes with a valid ROA:                      7347
    Number of IPv4 prefixes with an invalid ROA:                    195
    Number of IPv4 prefixes with no ROA:                          15071
Total ASes present in the Internet Routing Table:                  2917
    Prefixes per ASN:                                              7.75
Origin-only ASes present in the Internet Routing Table:            2512
Origin ASes announcing only one prefix:                            1134
Transit ASes present in the Internet Routing Table:                 405
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              3
Average AS path length visible in the Internet Routing Table:       6.5
    Max AS path length visible:                                      23
    Max AS path prepend of ASN (395156)                              12
Prefixes from unregistered ASNs in the Routing Table:                 7
    Number of instances of unregistered ASNs:                         7
Number of 32-bit ASNs allocated by the RIRs:                      41755
Number of 32-bit ASNs visible in the Routing Table:                 753
Prefixes from 32-bit ASNs in the Routing Table:                    3265
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:                    195074496
    Equivalent to 11 /8s, 160 /16s and 153 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        2248

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

Prefixes being announced by APNIC Region ASes:                     8542
    Total APNIC prefixes after maximum aggregation:                2797
    APNIC Deaggregation factor:                                    3.05
Prefixes being announced from the APNIC address blocks:            8486
    Unique aggregates announced from the APNIC address blocks:     3283
APNIC Region origin ASes present in the Internet Routing Table:     708
    APNIC Prefixes per ASN:                                       11.99
APNIC Region origin ASes announcing only one prefix:                293
APNIC Region transit ASes present in the Internet Routing Table:     87
Average APNIC Region AS path length visible:                        4.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    329
Number of APNIC addresses announced to Internet:               36811200
    Equivalent to 2 /8s, 49 /16s and 177 /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:                      8166
    Total ARIN prefixes after maximum aggregation:                 4749
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8213
    Unique aggregates announced from the ARIN address blocks:      5333
ARIN Region origin ASes present in the Internet Routing Table:     1264
    ARIN Prefixes per ASN:                                         6.50
ARIN Region origin ASes announcing only one prefix:                 455
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         8.0
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     194
Number of ARIN addresses announced to Internet:                93788416
    Equivalent to 5 /8s, 151 /16s and 25 /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:                      3634
    Total RIPE prefixes after maximum aggregation:                 2874
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3647
    Unique aggregates announced from the RIPE address blocks:      2912
RIPE Region origin ASes present in the Internet Routing Table:      690
    RIPE Prefixes per ASN:                                         5.29
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         7.0
    Max RIPE Region AS path length visible:                          17
Number of RIPE region 32-bit ASNs visible in the Routing Table:     149
Number of RIPE addresses announced to Internet:                57949696
    Equivalent to 3 /8s, 116 /16s and 62 /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:                    1307
    Total LACNIC prefixes after maximum aggregation:                497
    LACNIC Deaggregation factor:                                   2.63
Prefixes being announced from the LACNIC address blocks:           1304
    Unique aggregates announced from the LACNIC address blocks:     719
LACNIC Region origin ASes present in the Internet Routing Table:    129
    LACNIC Prefixes per ASN:                                      10.11
LACNIC Region origin ASes announcing only one prefix:                52
LACNIC Region transit ASes present in the Internet Routing Table:    22
Average LACNIC Region AS path length visible:                       8.9
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    54
Number of LACNIC addresses announced to Internet:               3855104
    Equivalent to 0 /8s, 58 /16s and 211 /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:                    957
    Total AfriNIC prefixes after maximum aggregation:               176
    AfriNIC Deaggregation factor:                                  5.44
Prefixes being announced from the AfriNIC address blocks:           961
    Unique aggregates announced from the AfriNIC address blocks:    239
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     19.22
AfriNIC Region origin ASes announcing only one prefix:               24
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      7.4
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   27
Number of AfriNIC addresses announced to Internet:              2669312
    Equivalent to 0 /8s, 40 /16s and 187 /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
  7470         655        239      61  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         600         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         505         73      18  UNINET-AS-AP UNINET-, TH
 45458         484         37      42  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         463         70      34  CAT-AP The Communication Authoity of Th
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
131293         273         23      64  TOT-LLI-AS-AP TOT Public Company Limite
  4765         207         13      95  PACIFICINTERNET-AS-AP Pacific Internet 
  1237         189         74     139  KREONET-AS-KR KISTI, KR
  7575         173        329     119  AARNET-AS-AP Australian Academic and Re

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2152         247        507      94  CSUNET-NW, US
   668         216        636     179  DNIC-AS-00668, US
   376         201        178     150  RISQ-AS, CA
  5786         199         16       1  UPRENET, PR
 18558         134         18       4  NETBLK-RCOEK, US
    81         129        521      32  NCREN, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         285       1919     249  DFN Verein zur Foerderung eines Deutsch
   786         188       1775     183  JANET Jisc Services Limited, GB
  8895         132         24       2  ISU Internet Services Unit ISU, SA
   559         112        533     104  SWITCH Peering requests: peering at switch
  1103          96       1518      84  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      74  ROEDUNET, RO
   137          94        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          62        598      58  FR-RENATER Reseau National de telecommu

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         223        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340         103         24      47  Red Universitaria Nacional, CL
  1251          60         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 61468          42          3      14  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         379        319      72  TENET-1, ZA
 36914         258         82       3  KENET-AS, KE
327687          63         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          34         16       1  MoRENet, MZ
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  7470         655        239      61  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         600         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         505         73      18  UNINET-AS-AP UNINET-, TH
 45458         484         37      42  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         463         70      34  CAT-AP The Communication Authoity of Th
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         379        319      72  TENET-1, ZA
   680         285       1919     249  DFN Verein zur Foerderung eines Deutsch
131293         273         23      64  TOT-LLI-AS-AP TOT Public Company Limite
 36914         258         82       3  KENET-AS, KE

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

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

   ASN  No of nets  Net Savings  Description
131090         600          591  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  4621         505          487  UNINET-AS-AP UNINET-, TH
 45458         484          442  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         463          429  CAT-AP The Communication Authoity of Thailand, 
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         379          307  TENET-1, ZA
 36914         258          255  KENET-AS, KE
131293         273          209  TOT-LLI-AS-AP TOT Public Company Limited, TH
  5786         199          198  UPRENET, PR
  1916         223          180  Rede Nacional de Ensino e Pesquisa, BR

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    138219  UNALLOCATED  103.207.69.0/24          23884  PROENNET-AS Proen Corp Publi
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     18838  UNALLOCATED  168.8.240.0/20            3480  PEACHNET-AS3480, US
     18838  UNALLOCATED  168.9.0.0/20              3480  PEACHNET-AS3480, US
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

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

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

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/AIT/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      /14:33      /15:123     /16:1821    /17:409     /18:545     
/19:620     /20:986     /21:894     /22:1755    /23:1731    /24:13515   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:38      
/31:29      /32:59      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 36914         245         258  KENET-AS, KE
  4621         143         505  UNINET-AS-AP UNINET-, TH
  8895         128         132  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          53  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/AIT/data-sXXas-nos

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

   1:130       2:1         5:15        6:4         8:4        12:1      
  14:91       18:1        23:7        24:1        27:58       31:7      
  35:6        38:9        40:1        41:109      42:9        43:111    
  44:5        45:56       46:5        47:4        49:332      50:4      
  52:1        58:87       59:11       60:4        61:285      62:13     
  63:37       64:58       65:1        66:48       67:43       68:8      
  69:19       70:2        71:1        72:7        74:50       76:41     
  77:9        78:3        79:10       80:17       81:28       82:7      
  83:6        84:11       85:42       86:5        87:1        89:10     
  90:1        91:46       92:2        93:4        94:4        95:2      
  96:5        97:2        98:2       101:13      102:16      103:396    
 104:77      106:67      107:4       108:10      109:8       110:367    
 111:31      112:23      113:40      114:26      115:9       116:23     
 117:61      118:97      119:196     121:22      122:213     123:2      
 124:44      125:9       128:90      129:45      130:88      131:68     
 132:60      133:12      134:305     136:200     137:90      138:10     
 139:12      140:54      141:6       142:39      143:31      144:28     
 145:3       146:132     147:62      148:196     149:13      150:131    
 151:10      152:144     153:14      154:67      155:55      156:67     
 157:37      158:37      159:246     160:1       161:21      162:26     
 163:84      164:61      165:52      166:1       167:18      168:104    
 169:7       170:19      171:140     172:4       173:7       175:19     
 176:8       177:9       179:9       180:65      181:1       182:15     
 183:9       184:11      185:53      186:3       187:18      188:14     
 189:3       190:18      191:36      192:1304    193:313     194:141    
 195:85      196:166     197:162     198:528     199:280     200:266    
 201:38      202:665     203:957     204:363     205:141     206:188    
 207:187     208:68      209:144     210:248     211:19      212:167    
 213:5       214:8       216:87      217:10      218:22      220:17     
 221:36      222:5       223:49     

End of report


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