[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 19 20:16:29 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 19 Apr, 2024

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                              186994
    Prefixes after maximum aggregation (per Origin AS):           81761
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      101644
    Number of IPv4 prefixes with a valid ROA:                     72232
    Number of IPv4 prefixes with an invalid ROA:                     19
    Number of IPv4 prefixes with no ROA:                         114743
Total ASes present in the Internet Routing Table:                 15915
    Prefixes per ASN:                                             11.75
Origin-only ASes present in the Internet Routing Table:           13744
Origin ASes announcing only one prefix:                            6289
Transit ASes present in the Internet Routing Table:                2171
Transit-only ASes present in the Internet Routing Table:            595
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               225
    Number of instances of unregistered ASNs:                       225
Number of 32-bit ASNs allocated by the RIRs:                      44201
Number of 32-bit ASNs visible in the Routing Table:                5774
Prefixes from 32-bit ASNs in the Routing Table:                   19338
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:             94
Number of addresses announced to Internet:                   1116872353
    Equivalent to 66 /8s, 146 /16s and 30 /24s
    Percentage of available address space announced:               30.2
    Percentage of allocated address space announced:               30.2
    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:       53887

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

Prefixes being announced by APNIC Region ASes:                    30231
    Total APNIC prefixes after maximum aggregation:                7084
    APNIC Deaggregation factor:                                    4.27
Prefixes being announced from the APNIC address blocks:           29878
    Unique aggregates announced from the APNIC address blocks:     8207
APNIC Region origin ASes present in the Internet Routing Table:    1138
    APNIC Prefixes per ASN:                                       26.25
APNIC Region origin ASes announcing only one prefix:                452
APNIC Region transit ASes present in the Internet Routing Table:    201
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    493
Number of APNIC addresses announced to Internet:              199332208
    Equivalent to 11 /8s, 225 /16s and 145 /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, 131072-153913
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:                     84956
    Total ARIN prefixes after maximum aggregation:                46263
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            83516
    Unique aggregates announced from the ARIN address blocks:     51249
ARIN Region origin ASes present in the Internet Routing Table:     7301
    ARIN Prefixes per ASN:                                        11.44
ARIN Region origin ASes announcing only one prefix:                3154
ARIN Region transit ASes present in the Internet Routing Table:     627
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1488
Number of ARIN addresses announced to Internet:               650539361
    Equivalent to 38 /8s, 198 /16s and 113 /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, 393216-402332
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:                     35677
    Total RIPE prefixes after maximum aggregation:                16688
    RIPE Deaggregation factor:                                     2.14
Prefixes being announced from the RIPE address blocks:            36496
    Unique aggregates announced from the RIPE address blocks:     23898
RIPE Region origin ASes present in the Internet Routing Table:     3448
    RIPE Prefixes per ASN:                                        10.58
RIPE Region origin ASes announcing only one prefix:                1495
RIPE Region transit ASes present in the Internet Routing Table:     538
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1278
Number of RIPE addresses announced to Internet:               162900432
    Equivalent to 9 /8s, 181 /16s and 169 /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
                       196608-216475
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:                   31344
    Total LACNIC prefixes after maximum aggregation:               9970
    LACNIC Deaggregation factor:                                   3.14
Prefixes being announced from the LACNIC address blocks:          31055
    Unique aggregates announced from the LACNIC address blocks:   15545
LACNIC Region origin ASes present in the Internet Routing Table:   3122
    LACNIC Prefixes per ASN:                                       9.95
LACNIC Region origin ASes announcing only one prefix:              1094
LACNIC Region transit ASes present in the Internet Routing Table:   626
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2409
Number of LACNIC addresses announced to Internet:              72067072
    Equivalent to 4 /8s, 75 /16s and 168 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   4561
    Total AfriNIC prefixes after maximum aggregation:              1571
    AfriNIC Deaggregation factor:                                  2.90
Prefixes being announced from the AfriNIC address blocks:          5955
    Unique aggregates announced from the AfriNIC address blocks:   2653
AfriNIC Region origin ASes present in the Internet Routing Table:   215
    AfriNIC Prefixes per ASN:                                     27.70
AfriNIC Region origin ASes announcing only one prefix:               94
AfriNIC Region transit ASes present in the Internet Routing Table:   61
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  106
Number of AfriNIC addresses announced to Internet:             31976704
    Equivalent to 1 /8s, 231 /16s and 237 /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
  9808        9691       8743      63  CHINAMOBILE-CN China Mobile Communicati
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1487        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         789        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         730      10656     150  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9833      11363    3479  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2833       3546    1352  DNIC-ASBLK-00306-00371, US
 11776        1856        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1703       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1637        105    1179  USDA-1, US
  5972        1398        393     639  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         896       4164     677  AMAZON-AES, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1313        111    1069  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         723         60      21  Jordan Data Communications, JO
  8452         524       1841      10  TE-AS TE-AS, EG
 51167         500         96     207  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         393         34       5  ASN-ISKON, HR
 57878         380         31     187  PRAGER-IT, AT

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151        5003       1300     872  UNINET, MX
  3816        1313        788     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1102        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         920       1128      28  TELEFONICA BRASIL S.A, BR
 11664         589        103     223  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         500         64     421  Telmex Colombia S.A., CO
 13999         485         68     210  Mega Cable, S.A. de C.V., MX
 22724         229         15      98  PUNTONET S.A., EC

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24863         664        242     206  LINKdotNET-AS, EG
 24835         423        365      30  RAYA-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         364        577     252  ETISALAT-MISR, EG
 36935         325        518      27  Vodafone-, EG
 36914         204         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9833      11363    3479  AMAZON-02, US
  9808        9691       8743      63  CHINAMOBILE-CN China Mobile Communicati
  8151        5003       1300     872  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2833       3546    1352  DNIC-ASBLK-00306-00371, US
 11776        1856        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1703       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1637        105    1179  USDA-1, US
 56047        1504        192      47  CMNET-HUNAN-AP China Mobile communicati

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet

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

   ASN  No of nets  Net Savings  Description
  9808        9691         9628  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5003         4131  UNINET, MX
 11776        1856         1636  ATLANTICBB-JOHNSTOWN, US
   367        2833         1481  DNIC-ASBLK-00306-00371, US
 56047        1504         1457  CMNET-HUNAN-AP China Mobile communications corp
   209        1703         1389  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1487         1377  CMNET-JIANGSU-AP China Mobile communications co
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1313         1116  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-CIDRnet

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-badAS

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

Prefix                Origin AS  Description
192.88.99.0/24             1835  FSKNET-DK Forskningsnettet - Danish network for

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-spar

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

Unassigned Network     ASN Information  AS Name
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM
41.204.240.0/24      Origin:     36911  RESERVED, ZZ
41.204.240.0/24     Transit:    328766  RESERVED, ZZ

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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        /8:11       /9:6       /10:17      /11:31      /12:92      
/13:126     /14:366     /15:712     /16:5969    /17:2496    /18:2649    
/19:5173    /20:8583    /21:10709   /22:20033   /23:20455   /24:109308  
/25:76      /26:50      /27:71      /28:19      /29:20      /30:17      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2843        5003  UNINET, MX
 16509        2096        9833  AMAZON-02, US
   209         961        1703  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1856  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         717         858  BRSPD-PUBLIC, US
  6147         698        1102  Telefonica del Peru S.A.A., PE
  8376         568         723  Jordan Data Communications, JO
  7979         451        1001  SERVERS-COM, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:10        2:387       3:324       5:1055      6:149       7:5      
   8:619      11:171      12:652      13:311      14:99       15:281    
  16:175      17:6        18:737      20:34       21:4        22:188    
  23:1780     24:398      25:2        27:27       29:19       31:175    
  32:1        34:11       35:58       36:1175     37:414      38:833    
  39:522      40:11       41:499      42:23       43:183      44:29     
  45:2422     46:607      47:98       49:11       50:265      51:471    
  52:1362     54:272      55:927      57:16       58:4        59:38     
  60:19       61:64       62:344      63:471      64:1511     65:799    
  66:1242     67:684      68:165      69:751      70:147      71:189    
  72:388      74:744      75:394      76:202      77:304      78:487    
  79:174      80:210      81:203      82:170      83:95       84:179    
  85:329      86:149      87:147      88:120      89:508      90:98     
  91:569      92:395      93:787      94:508      95:1083     96:167    
  97:31       98:130      99:151     100:22      101:21      102:219    
 103:1100    104:711     105:113     106:3       107:213     108:301    
 109:259     110:32      111:1792    112:448     113:43      114:34     
 115:15      116:32      117:956     118:110     119:99      120:1090   
 121:16      122:108     123:49      124:58      125:11      128:357    
 129:278     130:491     131:795     132:500     133:267     134:349    
 135:69      136:364     137:407     138:790     139:391     140:594    
 141:334     142:697     143:603     144:329     145:67      146:496    
 147:316     148:597     149:496     150:291     151:563     152:536    
 153:118     154:557     155:680     156:448     157:271     158:319    
 159:592     160:357     161:422     162:693     163:296     164:636    
 165:383     166:96      167:401     168:1033    169:153     170:1314   
 171:66      172:893     173:621     174:105     175:41      176:410    
 177:761     178:335     179:513     180:50      181:973     182:68     
 183:854     184:198     185:2380    186:1040    187:760     188:478    
 189:1065    190:2900    191:188     192:3833    193:1246    194:821    
 195:560     196:389     197:393     198:1930    199:3464    200:2654   
 201:2452    202:1069    203:628     204:1748    205:1670    206:1136   
 207:1065    208:978     209:1449    210:341     211:431     212:701    
 213:560     214:987     215:28      216:1693    217:281     218:525    
 219:22      220:29      221:302     222:22      223:633    

End of report


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