[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 15 20:16:30 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Mon 15 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:                              184358
    Prefixes after maximum aggregation (per Origin AS):           80564
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100699
    Number of IPv4 prefixes with a valid ROA:                     70309
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                         114032
Total ASes present in the Internet Routing Table:                 15773
    Prefixes per ASN:                                             11.69
Origin-only ASes present in the Internet Routing Table:           13660
Origin ASes announcing only one prefix:                            6216
Transit ASes present in the Internet Routing Table:                2113
Transit-only ASes present in the Internet Routing Table:            565
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:                      44132
Number of 32-bit ASNs visible in the Routing Table:                5688
Prefixes from 32-bit ASNs in the Routing Table:                   19052
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:             86
Number of addresses announced to Internet:                   1070233525
    Equivalent to 63 /8s, 202 /16s and 119 /24s
    Percentage of available address space announced:               28.9
    Percentage of allocated address space announced:               28.9
    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:       53220

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

Prefixes being announced by APNIC Region ASes:                    29902
    Total APNIC prefixes after maximum aggregation:                6902
    APNIC Deaggregation factor:                                    4.33
Prefixes being announced from the APNIC address blocks:           29551
    Unique aggregates announced from the APNIC address blocks:     7962
APNIC Region origin ASes present in the Internet Routing Table:    1092
    APNIC Prefixes per ASN:                                       27.06
APNIC Region origin ASes announcing only one prefix:                434
APNIC Region transit ASes present in the Internet Routing Table:    181
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:    465
Number of APNIC addresses announced to Internet:              198864516
    Equivalent to 11 /8s, 218 /16s and 110 /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:                     83398
    Total ARIN prefixes after maximum aggregation:                45393
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            82107
    Unique aggregates announced from the ARIN address blocks:     51159
ARIN Region origin ASes present in the Internet Routing Table:     7348
    ARIN Prefixes per ASN:                                        11.17
ARIN Region origin ASes announcing only one prefix:                3172
ARIN Region transit ASes present in the Internet Routing Table:     633
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:    1506
Number of ARIN addresses announced to Internet:               605306977
    Equivalent to 36 /8s, 20 /16s and 64 /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:                     35055
    Total RIPE prefixes after maximum aggregation:                16555
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35746
    Unique aggregates announced from the RIPE address blocks:     23416
RIPE Region origin ASes present in the Internet Routing Table:     3386
    RIPE Prefixes per ASN:                                        10.56
RIPE Region origin ASes announcing only one prefix:                1459
RIPE Region transit ASes present in the Internet Routing Table:     511
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1262
Number of RIPE addresses announced to Internet:               161433552
    Equivalent to 9 /8s, 159 /16s and 71 /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:                   31273
    Total LACNIC prefixes after maximum aggregation:              10012
    LACNIC Deaggregation factor:                                   3.12
Prefixes being announced from the LACNIC address blocks:          30963
    Unique aggregates announced from the LACNIC address blocks:   15496
LACNIC Region origin ASes present in the Internet Routing Table:   3059
    LACNIC Prefixes per ASN:                                      10.12
LACNIC Region origin ASes announcing only one prefix:              1059
LACNIC Region transit ASes present in the Internet Routing Table:   613
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:  2339
Number of LACNIC addresses announced to Internet:              72275456
    Equivalent to 4 /8s, 78 /16s and 214 /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:                   4505
    Total AfriNIC prefixes after maximum aggregation:              1514
    AfriNIC Deaggregation factor:                                  2.98
Prefixes being announced from the AfriNIC address blocks:          5905
    Unique aggregates announced from the AfriNIC address blocks:   2581
AfriNIC Region origin ASes present in the Internet Routing Table:   223
    AfriNIC Prefixes per ASN:                                     26.48
AfriNIC Region origin ASes announcing only one prefix:               92
AfriNIC Region transit ASes present in the Internet Routing Table:   59
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:  116
Number of AfriNIC addresses announced to Internet:             32302080
    Equivalent to 1 /8s, 236 /16s and 228 /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        9664       8742      62  CHINAMOBILE-CN China Mobile Communicati
 56047        1503        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        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         732      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        9838      11366    3438  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2816       3548    1343  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1606        103    1168  USDA-1, US
  5972        1399        393     638  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA
 19901         850        554     634  BRSPD-PUBLIC, 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        1309        111    1066  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      21  Jordan Data Communications, JO
  8452         518       1841      10  TE-AS TE-AS, EG
 12479         455       1209     191  UNI2-AS, ES
 51167         441         83     187  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         391         34       5  ASN-ISKON, HR

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        5016       1299     874  UNINET, MX
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1081        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         921       1128      28  TELEFONICA BRASIL S.A, BR
 11664         592        105     226  Techtel LMDS Comunicaciones Interactiva
 26599         572       2945      46  TELEFONICA BRASIL S.A, BR
 10620         500         64     421  Telmex Colombia S.A., CO
 13999         483         66     207  Mega Cable, S.A. de C.V., MX
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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         627        237     192  LINKdotNET-AS, EG
 24835         454        365      30  RAYA-AS, EG
  2018         380        319      71  TENET-1, ZA
 36992         372        582     249  ETISALAT-MISR, EG
 36935         325        518      27  Vodafone-, EG
 36914         202         82       3  KENET-AS, KE
 37282         157         20      53  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        9838      11366    3438  AMAZON-02, US
  9808        9664       8742      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5016       1299     874  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2816       3548    1343  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1606        103    1168  USDA-1, US
 56047        1503        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        9664         9602  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5016         4142  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2816         1473  DNIC-ASBLK-00306-00371, US
 56047        1503         1456  CMNET-HUNAN-AP China Mobile communications corp
   209        1694         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1371  CMNET-JIANGSU-AP China Mobile communications co
  3816        1313         1119  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
41.204.248.0/24      Origin:     36911  RESERVED, ZZ
41.204.248.0/24     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       /9:4       /10:17      /11:29      /12:81      
/13:116     /14:342     /15:677     /16:5922    /17:2487    /18:2571    
/19:5099    /20:8428    /21:10594   /22:19764   /23:20196   /24:107761  
/25:76      /26:50      /27:71      /28:19      /29:21      /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        2854        5016  UNINET, MX
 16509        2093        9838  AMAZON-02, US
   209         957        1694  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         709         850  BRSPD-PUBLIC, US
  6147         678        1081  Telefonica del Peru S.A.A., PE
  8376         567         722  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)
----------------------------------------------

   1:11        2:386       3:290       5:1055      6:147       7:5      
   8:620      11:171      12:659      13:318      14:102      15:281    
  16:174      17:6        18:706      20:34       21:4        22:188    
  23:1770     24:400      25:2        27:26       29:19       31:171    
  32:1        34:5        35:54       36:1157     37:461      38:838    
  39:522      40:9        41:495      42:23       43:182      44:27     
  45:2368     46:585      47:99       49:10       50:249      51:467    
  52:1350     54:273      55:988      57:16       58:4        59:32     
  60:19       61:66       62:380      63:470      64:1444     65:797    
  66:1229     67:671      68:149      69:729      70:147      71:189    
  72:361      74:729      75:392      76:204      77:299      78:486    
  79:162      80:215      81:184      82:167      83:163      84:182    
  85:345      86:148      87:160      88:134      89:501      90:104    
  91:550      92:411      93:777      94:510      95:1083     96:167    
  97:31       98:124      99:145     100:22      101:21      102:233    
 103:1042    104:698     105:44      106:3       107:203     108:301    
 109:255     110:26      111:1804    112:449     113:41      114:32     
 115:11      116:31      117:948     118:101     119:96      120:1092   
 121:31      122:107     123:49      124:57      125:11      128:362    
 129:275     130:479     131:776     132:500     133:267     134:340    
 135:67      136:359     137:404     138:780     139:384     140:591    
 141:315     142:684     143:595     144:324     145:65      146:477    
 147:315     148:624     149:514     150:291     151:563     152:356    
 153:117     154:584     155:672     156:447     157:266     158:313    
 159:529     160:339     161:419     162:670     163:292     164:621    
 165:376     166:98      167:375     168:988     169:157     170:1263   
 171:65      172:897     173:619     174:103     175:39      176:398    
 177:706     178:311     179:494     180:47      181:995     182:58     
 183:851     184:198     185:2266    186:1037    187:713     188:480    
 189:1059    190:2883    191:183     192:3648    193:1223    194:787    
 195:552     196:383     197:392     198:1909    199:3401    200:2663   
 201:2451    202:1056    203:602     204:1738    205:1667    206:1138   
 207:1061    208:949     209:1442    210:324     211:431     212:686    
 213:562     214:1039    215:43      216:1680    217:280     218:519    
 219:21      220:30      221:302     222:22      223:633    

End of report


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