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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Apr 29 20:16:32 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 29 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:                              186297
    Prefixes after maximum aggregation (per Origin AS):           81735
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      101313
    Number of IPv4 prefixes with a valid ROA:                     72095
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         114182
Total ASes present in the Internet Routing Table:                 15727
    Prefixes per ASN:                                             11.85
Origin-only ASes present in the Internet Routing Table:           13582
Origin ASes announcing only one prefix:                            6226
Transit ASes present in the Internet Routing Table:                2145
Transit-only ASes present in the Internet Routing Table:            583
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.8
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               229
    Number of instances of unregistered ASNs:                       229
Number of 32-bit ASNs allocated by the RIRs:                      44317
Number of 32-bit ASNs visible in the Routing Table:                5657
Prefixes from 32-bit ASNs in the Routing Table:                   18958
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:             95
Number of addresses announced to Internet:                   1112478625
    Equivalent to 66 /8s, 79 /16s and 19 /24s
    Percentage of available address space announced:               30.0
    Percentage of allocated address space announced:               30.0
    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:       53778

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

Prefixes being announced by APNIC Region ASes:                    29813
    Total APNIC prefixes after maximum aggregation:                6972
    APNIC Deaggregation factor:                                    4.28
Prefixes being announced from the APNIC address blocks:           29484
    Unique aggregates announced from the APNIC address blocks:     7939
APNIC Region origin ASes present in the Internet Routing Table:    1142
    APNIC Prefixes per ASN:                                       25.82
APNIC Region origin ASes announcing only one prefix:                459
APNIC Region transit ASes present in the Internet Routing Table:    204
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    499
Number of APNIC addresses announced to Internet:              198963056
    Equivalent to 11 /8s, 219 /16s and 239 /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:                     85049
    Total ARIN prefixes after maximum aggregation:                46440
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:            83685
    Unique aggregates announced from the ARIN address blocks:     51293
ARIN Region origin ASes present in the Internet Routing Table:     7314
    ARIN Prefixes per ASN:                                        11.44
ARIN Region origin ASes announcing only one prefix:                3165
ARIN Region transit ASes present in the Internet Routing Table:     629
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:    1503
Number of ARIN addresses announced to Internet:               650260321
    Equivalent to 38 /8s, 194 /16s and 47 /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:                     35159
    Total RIPE prefixes after maximum aggregation:                16493
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            35906
    Unique aggregates announced from the RIPE address blocks:     23696
RIPE Region origin ASes present in the Internet Routing Table:     3377
    RIPE Prefixes per ASN:                                        10.63
RIPE Region origin ASes announcing only one prefix:                1448
RIPE Region transit ASes present in the Internet Routing Table:     528
Average RIPE Region AS path length visible:                         5.8
    Max RIPE Region AS path length visible:                          23
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1252
Number of RIPE addresses announced to Internet:               159908560
    Equivalent to 9 /8s, 136 /16s and 2 /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:                   31848
    Total LACNIC prefixes after maximum aggregation:               9939
    LACNIC Deaggregation factor:                                   3.20
Prefixes being announced from the LACNIC address blocks:          31532
    Unique aggregates announced from the LACNIC address blocks:   15535
LACNIC Region origin ASes present in the Internet Routing Table:   3010
    LACNIC Prefixes per ASN:                                      10.48
LACNIC Region origin ASes announcing only one prefix:              1073
LACNIC Region transit ASes present in the Internet Routing Table:   609
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:  2304
Number of LACNIC addresses announced to Internet:              74511616
    Equivalent to 4 /8s, 112 /16s and 245 /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:                   4199
    Total AfriNIC prefixes after maximum aggregation:              1708
    AfriNIC Deaggregation factor:                                  2.46
Prefixes being announced from the AfriNIC address blocks:          5595
    Unique aggregates announced from the AfriNIC address blocks:   2762
AfriNIC Region origin ASes present in the Internet Routing Table:   207
    AfriNIC Prefixes per ASN:                                     27.03
AfriNIC Region origin ASes announcing only one prefix:               81
AfriNIC Region transit ASes present in the Internet Routing Table:   65
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   99
Number of AfriNIC addresses announced to Internet:             28786176
    Equivalent to 1 /8s, 183 /16s and 62 /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        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1506        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1491        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1450        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         761        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         725      10640     155  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         478        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        9774      11348    3543  AMAZON-02, US
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2821       3532    1354  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1718        110    1214  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1397        393     634  DNIC-ASBLK-05800-06055, US
  7979        1002         66     196  SERVERS-COM, US
   855         960        255      82  CANET-ASN-4, CA
 14618         900       4165     681  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        4741        285      59  ALJAWWALSTC-AS, SA
 20940        1286        108    1051  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         810       1032     146  SAUDINETSTC-AS, SA
  8376         709         59      22  Jordan Data Communications, JO
  8452         613       1841      11  TE-AS TE-AS, EG
 51167         502         96     209  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         396         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        5902       1710     930  UNINET, MX
  3816        1314        788     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1104        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         922       1128      28  TELEFONICA BRASIL S.A, BR
 11664         596        104     227  Techtel LMDS Comunicaciones Interactiva
 26599         570       2961      47  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         475         65     209  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         610        208     251  LINKdotNET-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         328        479     241  ETISALAT-MISR, EG
 36935         258         64      79  Vodafone-, EG
 36914         201         82       3  KENET-AS, KE
 37282         157         20      54  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 24835         148        150      87  RAYA-AS, EG
 37693         146        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        9774      11348    3543  AMAZON-02, US
  9808        9648       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        5902       1710     930  UNINET, MX
 39891        4741        285      59  ALJAWWALSTC-AS, SA
   749        3200      54911    2452  DNIC-AS-00749, US
   367        2821       3532    1354  DNIC-ASBLK-00306-00371, US
 11776        1858        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1718        110    1214  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1506        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        9648         9587  CHINAMOBILE-CN China Mobile Communications Grou
  8151        5902         4972  UNINET, MX
 39891        4741         4682  ALJAWWALSTC-AS, SA
 11776        1858         1638  ATLANTICBB-JOHNSTOWN, US
   367        2821         1467  DNIC-ASBLK-00306-00371, US
 56047        1506         1459  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56046        1491         1381  CMNET-JIANGSU-AP China Mobile communications co
 56041        1450         1377  CMNET-ZHEJIANG-AP China Mobile communications c
  3816        1314         1122  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
41.57.124.0/22       Origin:     37442  RESERVED, ZZ
41.57.124.0/22      Transit:     37204  TELONE, ZW
41.57.124.0/23       Origin:     37442  RESERVED, ZZ
41.57.124.0/23      Transit:     37204  TELONE, ZW
41.57.124.0/24       Origin:     37442  RESERVED, ZZ
41.57.124.0/24      Transit:     37204  TELONE, ZW
41.57.125.0/24       Origin:     37442  RESERVED, ZZ
41.57.125.0/24      Transit:     37204  TELONE, ZW
41.57.126.0/24       Origin:     37442  RESERVED, ZZ
41.57.126.0/24      Transit:     37204  TELONE, ZW

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      /11:30      /12:92      
/13:125     /14:364     /15:705     /16:5924    /17:2493    /18:2605    
/19:5363    /20:8551    /21:10889   /22:19552   /23:20428   /24:108888  
/25:76      /26:49      /27:71      /28:19      /29:20      /30:15      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3424        4741  ALJAWWALSTC-AS, SA
  8151        3158        5902  UNINET, MX
 16509        2092        9774  AMAZON-02, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1858  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         726         867  BRSPD-PUBLIC, US
  6147         699        1104  Telefonica del Peru S.A.A., PE
  8376         558         709  Jordan Data Communications, JO
  7979         451        1002  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        2:360       3:327       5:1063      6:149       7:5      
   8:614      11:171      12:657      13:305      14:102      15:282    
  16:174      17:6        18:734      20:34       21:4        22:188    
  23:1787     24:396      25:2        27:27       29:19       31:178    
  32:1        34:11       35:54       36:1178     37:439      38:839    
  39:525      40:11       41:529      42:14       43:174      44:28     
  45:2358     46:610      47:94       49:11       50:260      51:476    
  52:1356     54:271      55:997      57:16       58:7        59:38     
  60:19       61:64       62:341      63:481      64:1509     65:794    
  66:1239     67:679      68:166      69:741      70:150      71:188    
  72:373      74:736      75:393      76:202      77:309      78:485    
  79:171      80:211      81:176      82:183      83:100      84:177    
  85:343      86:154      87:147      88:118      89:517      90:98     
  91:546      92:391      93:792      94:508      95:1077     96:161    
  97:31       98:130      99:151     100:22      101:21      102:213    
 103:1063    104:728     105:133     106:3       107:208     108:298    
 109:262     110:34      111:1791    112:445     113:44      114:32     
 115:15      116:28      117:959     118:70      119:100     120:1075   
 121:16      122:87      123:20      124:57      125:12      128:361    
 129:287     130:503     131:770     132:493     133:195     134:337    
 135:68      136:364     137:409     138:757     139:389     140:598    
 141:324     142:697     143:610     144:329     145:65      146:470    
 147:321     148:595     149:503     150:293     151:571     152:536    
 153:118     154:539     155:675     156:437     157:277     158:316    
 159:589     160:371     161:409     162:676     163:294     164:641    
 165:378     166:99      167:402     168:926     169:157     170:1283   
 171:64      172:893     173:621     174:108     175:41      176:410    
 177:750     178:319     179:504     180:49      181:988     182:24     
 183:827     184:198     185:2331    186:1013    187:793     188:490    
 189:1160    190:2853    191:196     192:3836    193:1261    194:826    
 195:556     196:398     197:374     198:1950    199:3516    200:2564   
 201:2487    202:1058    203:627     204:1753    205:1682    206:1144   
 207:1092    208:973     209:1434    210:345     211:431     212:691    
 213:553     214:1021    215:43      216:1707    217:283     218:526    
 219:24      220:30      221:302     222:22      223:637    

End of report


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