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

REN Routing Table Report cscora at frr.nsrc.org
Sat Aug 20 20:25:49 UTC 2022


IPv4 R&E Routing Table Report   20:25 GMT Sat 20 Aug, 2022

  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:                               34587
    Prefixes after maximum aggregation (per Origin AS):           14377
    Deaggregation factor:                                          2.41
    Unique aggregates announced (without unneeded subnets):       16228
    Number of IPv4 prefixes with a valid ROA:                     13691
    Number of IPv4 prefixes with an invalid ROA:                    247
    Number of IPv4 prefixes with no ROA:                          20649
Total ASes present in the Internet Routing Table:                  3546
    Prefixes per ASN:                                              9.75
Origin-only ASes present in the Internet Routing Table:            3028
Origin ASes announcing only one prefix:                            1264
Transit ASes present in the Internet Routing Table:                 518
Transit-only ASes present in the Internet Routing Table:             71
Paths with bogon ASNs present in the IPv4 Routing Table:              7
Average AS path length visible in the Internet Routing Table:       6.2
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (133385)                              11
Prefixes from unregistered ASNs in the Routing Table:                12
    Number of instances of unregistered ASNs:                        12
Number of 32-bit ASNs allocated by the RIRs:                      40026
Number of 32-bit ASNs visible in the Routing Table:                1065
Prefixes from 32-bit ASNs in the Routing Table:                    6140
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              5
Number of addresses announced to Internet:                    238598656
    Equivalent to 14 /8s, 56 /16s and 186 /24s
    Percentage of available address space announced:                6.4
    Percentage of allocated address space announced:                6.4
    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:        2749

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

Prefixes being announced by APNIC Region ASes:                    20067
    Total APNIC prefixes after maximum aggregation:                5597
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:           19955
    Unique aggregates announced from the APNIC address blocks:     6453
APNIC Region origin ASes present in the Internet Routing Table:    1277
    APNIC Prefixes per ASN:                                       15.63
APNIC Region origin ASes announcing only one prefix:                410
APNIC Region transit ASes present in the Internet Routing Table:    193
Average APNIC Region AS path length visible:                        5.1
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    645
Number of APNIC addresses announced to Internet:               62237696
    Equivalent to 3 /8s, 181 /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:                      8469
    Total ARIN prefixes after maximum aggregation:                 5045
    ARIN Deaggregation factor:                                     1.68
Prefixes being announced from the ARIN address blocks:             8523
    Unique aggregates announced from the ARIN address blocks:      5670
ARIN Region origin ASes present in the Internet Routing Table:     1274
    ARIN Prefixes per ASN:                                         6.69
ARIN Region origin ASes announcing only one prefix:                 450
ARIN Region transit ASes present in the Internet Routing Table:     166
Average ARIN Region AS path length visible:                         7.8
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     181
Number of ARIN addresses announced to Internet:               109338368
    Equivalent to 6 /8s, 132 /16s and 95 /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:                      3675
    Total RIPE prefixes after maximum aggregation:                 2935
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3696
    Unique aggregates announced from the RIPE address blocks:      2964
RIPE Region origin ASes present in the Internet Routing Table:      704
    RIPE Prefixes per ASN:                                         5.25
RIPE Region origin ASes announcing only one prefix:                 318
RIPE Region transit ASes present in the Internet Routing Table:     103
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:     146
Number of RIPE addresses announced to Internet:                59638528
    Equivalent to 3 /8s, 142 /16s and 3 /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:                    1419
    Total LACNIC prefixes after maximum aggregation:                576
    LACNIC Deaggregation factor:                                   2.46
Prefixes being announced from the LACNIC address blocks:           1423
    Unique aggregates announced from the LACNIC address blocks:     793
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.78
LACNIC Region origin ASes announcing only one prefix:                63
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:    68
Number of LACNIC addresses announced to Internet:               4742912
    Equivalent to 0 /8s, 72 /16s and 95 /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:                    945
    Total AfriNIC prefixes after maximum aggregation:               212
    AfriNIC Deaggregation factor:                                  4.46
Prefixes being announced from the AfriNIC address blocks:           985
    Unique aggregates announced from the AfriNIC address blocks:    343
AfriNIC Region origin ASes present in the Internet Routing Table:    48
    AfriNIC Prefixes per ASN:                                     20.52
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   10
Average AfriNIC Region AS path length visible:                      7.5
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   25
Number of AfriNIC addresses announced to Internet:              2639872
    Equivalent to 0 /8s, 40 /16s and 72 /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
 23969        1977        314      16  TOT-NET TOT Public Company Limited, TH
  7470         716        528      43  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         678        170      55  NCIC-TW New Century InfoComm Tech Co., 
131090         632         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         564       2155     453  SINET-AS Research Organization of Infor
  4621         525         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         33      64  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
133481         424         73      33  AIS-FIBRE-AS-AP AIS Fibre, TH

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
   668         218        687     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         155        507      92  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
 23024         114          7      17  OCDE, US
  8075         109       4108     105  MICROSOFT-CORP-MSN-AS-BLOCK, US
  2920         108         34       7  LACOE, US
 19551         105          7      76  INCAPSULA, US
 32531          90          6      60  FORDHAM-UNIVERSITY, 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         284       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         188       1775     183  JANET Jisc Services Limited, GB
  8895         137         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          98       1520      86  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          94        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          62        598      58  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/AIT/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         158        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  4270          42         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

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         375        319      73  TENET-1, ZA
 36914         231         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      13  TERNET, TZ
 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
 23969        1977        314      16  TOT-NET TOT Public Company Limited, TH
  7470         716        528      43  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Lt
  9919         678        170      55  NCIC-TW New Century InfoComm Tech Co., 
131090         632         54       8  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Publ
  2907         564       2155     453  SINET-AS Research Organization of Infor
  4621         525         73      18  UNINET-AS-AP UNINET-, TH
 45458         480         33      64  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN
  4750         448         94      14  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPA
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
133481         424         73      33  AIS-FIBRE-AS-AP AIS Fibre, TH

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

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

   ASN  No of nets  Net Savings  Description
  7470         716          673  TRUEINTERNET-AS-AP TRUE INTERNET Co.,Ltd., TH
131090         632          624  CAT-IDC-4BYTENET-AS-AP CAT TELECOM Public Compa
  9919         678          623  NCIC-TW New Century InfoComm Tech Co., Ltd., TW
  4621         525          507  UNINET-AS-AP UNINET-, TH
  4750         448          434  CSLOXINFO-AS-AP CS LOXINFO PUBLIC COMPANY LIMIT
 45458         480          416  SBN-AWN-AS-02-AP SBN-ISPAWN-ISP and SBN-NIXAWN-
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
131596         402          392  TBCOM-NET TBC, TW
133481         424          391  AIS-FIBRE-AS-AP AIS Fibre, TH
  9931         421          386  CAT-AP The Communication Authoity of Thailand, 

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
     56096  UNALLOCATED  27.100.7.0/24            45455  TH-2S1N-AP Two S One N Co Lt
    141730  UNALLOCATED  103.161.0.0/24           55423  JASTEL-NETWORK-TH-IDC-AP Jas
    134952  UNALLOCATED  103.204.12.0/24           7616  JINET-BKK-AS-AP Jasmine Inte
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, US
     22063  UNALLOCATED  153.10.0.0/16             2152  CSUNET-NW, US
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
     64558  PRIVATE      202.44.52.0/22           23932  WINTH-AS-AP Internet Service
     64558  PRIVATE      202.52.4.0/22            23932  WINTH-AS-AP Internet Service
     64740  PRIVATE      203.156.106.0/24         24378  ENGTAC-AS-TH-AP Total Access

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

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

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

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

Unassigned Network     ASN Information  AS Name
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
103.161.0.0/24       Origin:    141730  UNASSIGNED
103.161.0.0/24      Transit:     55423  JASTEL-NETWORK-TH-IDC-AP JasTel Network,
103.204.12.0/24      Origin:    134952  UNASSIGNED
103.204.12.0/24     Transit:      7616  JINET-BKK-AS-AP Jasmine Internet Co, Ltd
192.31.196.0/24      Origin:       112  UNASSIGNED
192.31.196.0/24     Transit:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, 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       /11:4       /12:12      
/13:25      /14:45      /15:144     /16:2168    /17:601     /18:833     
/19:1090    /20:1373    /21:1616    /22:3541    /23:2531    /24:20444   
/25:2       /26:2       /27:2       /28:3       /29:11      /30:43      
/31:33      /32:61      

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

   ASN  No of nets  Total ann.  Description
 36914         218         231  KENET-AS, KE
132280         153         309  SYMPHONY-AP-TH Symphony Communication Thailand 
  4621         152         525  UNINET-AS-AP UNINET-, TH
  8895         132         137  ISU Internet Services Unit ISU, SA
133481          71         424  AIS-FIBRE-AS-AP AIS Fibre, TH
 23024          53         114  OCDE, US
 18632          34          63  VOLCANO-VISION, US
 19551          34         105  INCAPSULA, US
 32440          32          47  LONI, US
 46115          32          35  LUTHER, US

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

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

   1:498       5:16        6:4         8:4         9:1        12:1      
  13:39       14:99       16:1        18:43       23:16       24:4      
  27:205      31:7        35:4        36:13       37:35       38:17     
  39:5        40:2        41:129      42:16       43:189      44:5      
  45:167      46:5        47:6        49:519      50:5        52:3      
  58:303      59:32       60:48       61:376      62:12       63:39     
  64:60       65:10       66:45       67:46       68:8        69:21     
  70:2        71:1        72:39       74:53       76:37       77:7      
  78:3        79:11       80:18       81:27       82:7        83:31     
  84:8        85:43       86:6        87:1        88:1        89:10     
  90:1        91:48       92:1        93:10       94:4        95:4      
  96:71       97:1        98:2       101:114     102:17      103:1319   
 104:80      106:75      107:53      108:10      109:10      110:463    
 111:113     112:46      113:147     114:41      115:139     116:70     
 117:80      118:377     119:297     120:7       121:24      122:285    
 123:102     124:155     125:200     128:95      129:46      130:91     
 131:91      132:54      133:145     134:311     135:1       136:222    
 137:79      138:13      139:20      140:60      141:15      142:39     
 143:33      144:41      145:2       146:156     147:83      148:193    
 149:15      150:157     151:6       152:76      153:13      154:60     
 155:51      156:71      157:34      158:42      159:264     160:29     
 161:101     162:25      163:90      164:89      165:91      166:1      
 167:53      168:173     169:10      170:74      171:188     172:5      
 173:8       175:83      176:9       177:11      178:1       179:10     
 180:130     181:2       182:235     183:33      184:14      185:73     
 186:3       187:19      188:15      189:3       190:34      191:38     
 192:1382    193:318     194:153     195:96      196:160     197:137    
 198:505     199:278     200:223     201:38      202:1310    203:1589   
 204:365     205:134     206:204     207:177     208:82      209:128    
 210:552     211:29      212:173     213:7       214:8       216:86     
 217:13      218:150     219:12      220:53      221:36      222:7      
 223:81     

End of report


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