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

REN Routing Table Report cscora at frr.nsrc.org
Sat Apr 8 20:25:47 UTC 2023


IPv4 R&E Routing Table Report   20:25 GMT Sat 08 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:                               23128
    Prefixes after maximum aggregation (per Origin AS):           11285
    Deaggregation factor:                                          2.05
    Unique aggregates announced (without unneeded subnets):       12660
    Number of IPv4 prefixes with a valid ROA:                      7664
    Number of IPv4 prefixes with an invalid ROA:                    205
    Number of IPv4 prefixes with no ROA:                          15259
Total ASes present in the Internet Routing Table:                  2956
    Prefixes per ASN:                                              7.82
Origin-only ASes present in the Internet Routing Table:            2544
Origin ASes announcing only one prefix:                            1128
Transit ASes present in the Internet Routing Table:                 412
Transit-only ASes present in the Internet Routing Table:             74
Paths with bogon ASNs present in the IPv4 Routing Table:              6
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:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      41635
Number of 32-bit ASNs visible in the Routing Table:                 764
Prefixes from 32-bit ASNs in the Routing Table:                    3286
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:                    195486656
    Equivalent to 11 /8s, 166 /16s and 227 /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:        2293

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

Prefixes being announced by APNIC Region ASes:                     8863
    Total APNIC prefixes after maximum aggregation:                2884
    APNIC Deaggregation factor:                                    3.07
Prefixes being announced from the APNIC address blocks:            8806
    Unique aggregates announced from the APNIC address blocks:     3344
APNIC Region origin ASes present in the Internet Routing Table:     716
    APNIC Prefixes per ASN:                                       12.30
APNIC Region origin ASes announcing only one prefix:                293
APNIC Region transit ASes present in the Internet Routing Table:     93
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:    334
Number of APNIC addresses announced to Internet:               36957888
    Equivalent to 2 /8s, 51 /16s and 238 /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:                      8188
    Total ARIN prefixes after maximum aggregation:                 4764
    ARIN Deaggregation factor:                                     1.72
Prefixes being announced from the ARIN address blocks:             8223
    Unique aggregates announced from the ARIN address blocks:      5328
ARIN Region origin ASes present in the Internet Routing Table:     1267
    ARIN Prefixes per ASN:                                         6.49
ARIN Region origin ASes announcing only one prefix:                 451
ARIN Region transit ASes present in the Internet Routing Table:     165
Average ARIN Region AS path length visible:                         8.1
    Max ARIN Region AS path length visible:                          23
Number of ARIN region 32-bit ASNs visible in the Routing Table:     195
Number of ARIN addresses announced to Internet:                93800704
    Equivalent to 5 /8s, 151 /16s and 73 /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:                      3606
    Total RIPE prefixes after maximum aggregation:                 2860
    RIPE Deaggregation factor:                                     1.26
Prefixes being announced from the RIPE address blocks:             3630
    Unique aggregates announced from the RIPE address blocks:      2905
RIPE Region origin ASes present in the Internet Routing Table:      684
    RIPE Prefixes per ASN:                                         5.31
RIPE Region origin ASes announcing only one prefix:                 301
RIPE Region transit ASes present in the Internet Routing Table:     102
Average RIPE Region AS path length visible:                         7.1
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     144
Number of RIPE addresses announced to Internet:                57921536
    Equivalent to 3 /8s, 115 /16s and 208 /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:                    1450
    Total LACNIC prefixes after maximum aggregation:                562
    LACNIC Deaggregation factor:                                   2.58
Prefixes being announced from the LACNIC address blocks:           1447
    Unique aggregates announced from the LACNIC address blocks:     781
LACNIC Region origin ASes present in the Internet Routing Table:    156
    LACNIC Prefixes per ASN:                                       9.28
LACNIC Region origin ASes announcing only one prefix:                56
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       9.0
    Max LACNIC Region AS path length visible:                        16
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    62
Number of LACNIC addresses announced to Internet:               4145408
    Equivalent to 0 /8s, 63 /16s and 65 /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:                   1015
    Total AfriNIC prefixes after maximum aggregation:               209
    AfriNIC Deaggregation factor:                                  4.86
Prefixes being announced from the AfriNIC address blocks:          1020
    Unique aggregates announced from the AfriNIC address blocks:    300
AfriNIC Region origin ASes present in the Internet Routing Table:    54
    AfriNIC Prefixes per ASN:                                     18.89
AfriNIC Region origin ASes announcing only one prefix:               27
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   29
Number of AfriNIC addresses announced to Internet:              2660352
    Equivalent to 0 /8s, 40 /16s and 152 /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         674        389      60  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         600         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         510         73      18  UNINET-AS-AP UNINET-, TH
 45458         484         37      42  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         461         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         236        507      94  CSUNET-NW, US
   668         216        636     179  DNIC-AS-00668, US
   376         198        178     148  RISQ-AS, CA
  5786         169         16       1  UPRENET, PR
 18558         139         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         134         24       4  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          59         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 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

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         383        319      72  TENET-1, ZA
 36914         251         82       3  KENET-AS, KE
  2561          67          4      34  EUN, EG
327687          62         28       3  RENU, UG
  8094          48         48      15  PUKNET, ZA
327700          33         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

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         674        389      60  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
131090         600         55       9  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  4621         510         73      18  UNINET-AS-AP UNINET-, TH
 45458         484         37      42  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  9931         461         70      34  CAT-AP The Communication Authoity of Th
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         383        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         251         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         510          492  UNINET-AS-AP UNINET-, TH
 45458         484          442  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  9931         461          427  CAT-AP The Communication Authoity of Thailand, 
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         383          311  TENET-1, ZA
 36914         251          248  KENET-AS, KE
131293         273          209  TOT-LLI-AS-AP TOT Public Company Limited, TH
  1916         223          180  Rede Nacional de Ensino e Pesquisa, BR
  5786         169          168  UPRENET, PR

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
     65200  PRIVATE      119.63.69.0/24           65128  UNASSIGNED
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, 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     /16:1830    /17:425     /18:546     
/19:625     /20:1000    /21:914     /22:1795    /23:1769    /24:13881   
/25:2       /26:3       /27:3       /28:3       /29:12      /30:41      
/31:31      /32:60      

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

   ASN  No of nets  Total ann.  Description
 36914         238         251  KENET-AS, KE
  4621         149         510  UNINET-AS-AP UNINET-, TH
  8895         130         134  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 32440          37          59  LONI, US
 18632          34          66  VOLCANO-VISION, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          32          54  SEAP-AGE, ES
 25977          30          44  HCCS, US

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

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

   1:132       2:1         5:14        6:4         8:4        12:1      
  14:92       18:1        23:7        24:1        27:85       31:7      
  35:6        38:9        40:1        41:106      42:13       43:123    
  44:5        45:61       46:5        47:4        49:333      50:4      
  52:1        58:91       59:11       60:4        61:289      62:13     
  63:37       64:59       65:5        66:48       67:44       68:8      
  69:19       70:2        71:1        72:7        74:50       76:42     
  77:9        78:3        79:10       80:17       81:28       82:7      
  83:6        84:11       85:42       86:5        87:3        89:10     
  90:1        91:46       92:2        93:4        94:4        95:2      
  96:5        97:2        98:2       101:19      102:17      103:428    
 104:77      106:65      107:20      108:10      109:9       110:370    
 111:53      112:26      113:40      114:26      115:9       116:52     
 117:61      118:103     119:205     121:21      122:213     123:2      
 124:44      125:15      128:89      129:45      130:88      131:68     
 132:56      133:12      134:305     136:170     137:89      138:10     
 139:12      140:54      141:5       142:39      143:31      144:27     
 145:3       146:133     147:61      148:196     149:13      150:130    
 151:9       152:144     153:14      154:56      155:55      156:67     
 157:36      158:36      159:246     160:1       161:21      162:26     
 163:84      164:85      165:52      166:1       167:18      168:123    
 169:7       170:80      171:140     172:4       173:7       175:19     
 176:8       177:9       179:9       180:70      181:1       182:18     
 183:9       184:12      185:58      186:3       187:18      188:14     
 189:3       190:18      191:36      192:1304    193:349     194:140    
 195:90      196:170     197:156     198:528     199:281     200:282    
 201:38      202:692     203:973     204:366     205:139     206:196    
 207:181     208:71      209:145     210:245     211:19      212:169    
 213:5       214:8       216:87      217:10      218:23      220:17     
 221:36      222:5       223:49     

End of report


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