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

REN Routing Table Report cscora at bgp.nsrc.org
Thu May 9 20:16:25 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 09 May, 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:                              186525
    Prefixes after maximum aggregation (per Origin AS):           81586
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      101219
    Number of IPv4 prefixes with a valid ROA:                     73460
    Number of IPv4 prefixes with an invalid ROA:                     20
    Number of IPv4 prefixes with no ROA:                         113045
Total ASes present in the Internet Routing Table:                 15753
    Prefixes per ASN:                                             11.84
Origin-only ASes present in the Internet Routing Table:           13629
Origin ASes announcing only one prefix:                            6224
Transit ASes present in the Internet Routing Table:                2124
Transit-only ASes present in the Internet Routing Table:            586
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.9
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               231
    Number of instances of unregistered ASNs:                       231
Number of 32-bit ASNs allocated by the RIRs:                      44426
Number of 32-bit ASNs visible in the Routing Table:                5639
Prefixes from 32-bit ASNs in the Routing Table:                   18976
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:                   1111633313
    Equivalent to 66 /8s, 66 /16s and 45 /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:       53772

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

Prefixes being announced by APNIC Region ASes:                    29877
    Total APNIC prefixes after maximum aggregation:                6961
    APNIC Deaggregation factor:                                    4.29
Prefixes being announced from the APNIC address blocks:           29505
    Unique aggregates announced from the APNIC address blocks:     7957
APNIC Region origin ASes present in the Internet Routing Table:    1141
    APNIC Prefixes per ASN:                                       25.86
APNIC Region origin ASes announcing only one prefix:                459
APNIC Region transit ASes present in the Internet Routing Table:    197
Average APNIC Region AS path length visible:                        7.3
    Max APNIC Region AS path length visible:                         16
Number of APNIC region 32-bit ASNs visible in the Routing Table:    491
Number of APNIC addresses announced to Internet:              200201328
    Equivalent to 11 /8s, 238 /16s and 212 /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:                     85121
    Total ARIN prefixes after maximum aggregation:                46345
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            83756
    Unique aggregates announced from the ARIN address blocks:     51400
ARIN Region origin ASes present in the Internet Routing Table:     7308
    ARIN Prefixes per ASN:                                        11.46
ARIN Region origin ASes announcing only one prefix:                3152
ARIN Region transit ASes present in the Internet Routing Table:     635
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:    1502
Number of ARIN addresses announced to Internet:               650899041
    Equivalent to 38 /8s, 203 /16s and 238 /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:                     35747
    Total RIPE prefixes after maximum aggregation:                16770
    RIPE Deaggregation factor:                                     2.13
Prefixes being announced from the RIPE address blocks:            36534
    Unique aggregates announced from the RIPE address blocks:     24188
RIPE Region origin ASes present in the Internet Routing Table:     3414
    RIPE Prefixes per ASN:                                        10.70
RIPE Region origin ASes announcing only one prefix:                1462
RIPE Region transit ASes present in the Internet Routing Table:     527
Average RIPE Region AS path length visible:                         5.9
    Max RIPE Region AS path length visible:                          25
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1254
Number of RIPE addresses announced to Internet:               160149456
    Equivalent to 9 /8s, 139 /16s and 175 /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:                   31014
    Total LACNIC prefixes after maximum aggregation:               9549
    LACNIC Deaggregation factor:                                   3.25
Prefixes being announced from the LACNIC address blocks:          30693
    Unique aggregates announced from the LACNIC address blocks:   14749
LACNIC Region origin ASes present in the Internet Routing Table:   3002
    LACNIC Prefixes per ASN:                                      10.22
LACNIC Region origin ASes announcing only one prefix:              1068
LACNIC Region transit ASes present in the Internet Routing Table:   596
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:  2293
Number of LACNIC addresses announced to Internet:              72493824
    Equivalent to 4 /8s, 82 /16s and 43 /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:                   4535
    Total AfriNIC prefixes after maximum aggregation:              1779
    AfriNIC Deaggregation factor:                                  2.55
Prefixes being announced from the AfriNIC address blocks:          5943
    Unique aggregates announced from the AfriNIC address blocks:   2838
AfriNIC Region origin ASes present in the Internet Routing Table:   207
    AfriNIC Prefixes per ASN:                                     28.71
AfriNIC Region origin ASes announcing only one prefix:               83
AfriNIC Region transit ASes present in the Internet Routing Table:   68
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:             27809280
    Equivalent to 1 /8s, 168 /16s and 86 /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        9650       8742      61  CHINAMOBILE-CN China Mobile Communicati
 56047        1505        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1483        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         790        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      72  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         724      10640     154  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        9906      11371    3508  AMAZON-02, US
   749        3226      54904    2478  DNIC-AS-00749, US
   367        2822       3498    1335  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1771        114    1240  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
  5972        1361        389     632  DNIC-ASBLK-05800-06055, US
  7979        1008         67     198  SERVERS-COM, US
   855         961        255      81  CANET-ASN-4, CA
 14618         906       4165     686  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        1247        104    1017  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         805       1030     146  SAUDINETSTC-AS, SA
  8376         707         60      23  Jordan Data Communications, JO
  8452         620       1841      11  TE-AS TE-AS, EG
 51167         508         98     213  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         387         34       5  ASN-ISKON, HR
 35819         382        382      91  MOBILY-AS Etihad Etisalat Company Mobil

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        6107       1637     803  UNINET, MX
  3816        1316        788     196  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1101        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         753       1126      30  TELEFONICA BRASIL S.A, BR
 26599         539       2819      83  TELEFONICA BRASIL S.A, BR
 10620         499         64     420  Telmex Colombia S.A., CO
 13999         490         66     214  Mega Cable, S.A. de C.V., MX
 27983         230         23     124  Red Intercable Digital S.A., AR
 22724         229         15     100  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         630        210     256  LINKdotNET-AS, EG
 29571         523         53     162  ORANGE-COTE-IVOIRE, CI
  2018         367        319      71  TENET-1, ZA
 36935         258         64      79  Vodafone-, EG
 36992         216        268     175  ETISALAT-MISR, EG
 36914         205         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

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        9906      11371    3508  AMAZON-02, US
  9808        9650       8742      61  CHINAMOBILE-CN China Mobile Communicati
  8151        6107       1637     803  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3226      54904    2478  DNIC-AS-00749, US
   367        2822       3498    1335  DNIC-ASBLK-00306-00371, US
 11776        1860        256     220  ATLANTICBB-JOHNSTOWN, US
  4155        1771        114    1240  USDA-1, US
   209        1701       4898     313  CENTURYLINK-US-LEGACY-QWEST, US
 56047        1505        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        9650         9589  CHINAMOBILE-CN China Mobile Communications Grou
  8151        6107         5304  UNINET, MX
 39891        4758         4698  ALJAWWALSTC-AS, SA
 11776        1860         1640  ATLANTICBB-JOHNSTOWN, US
   367        2822         1487  DNIC-ASBLK-00306-00371, US
 56047        1505         1458  CMNET-HUNAN-AP China Mobile communications corp
   209        1701         1388  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1483         1373  CMNET-JIANGSU-AP China Mobile communications co
  3816        1316         1120  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     /14:355     /15:689     /16:5924    /17:2485    /18:2559    
/19:5416    /20:8592    /21:10831   /22:19607   /23:20435   /24:109101  
/25:75      /26:49      /27:69      /28:19      /29:20      /30:14      
/31:0       /32:4       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        3191        6107  UNINET, MX
 16509        2112        9906  AMAZON-02, US
   209         960        1701  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1860  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         731         872  BRSPD-PUBLIC, US
  6147         696        1101  Telefonica del Peru S.A.A., PE
  8376         557         707  Jordan Data Communications, JO
  7979         451        1008  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        2:376       3:342       5:1082      6:150       7:5      
   8:609      11:171      12:656      13:304      14:102      15:282    
  16:178      17:6        18:739      20:34       21:4        22:188    
  23:1777     24:394      25:2        27:27       29:19       31:196    
  32:1        34:11       35:57       36:1174     37:399      38:914    
  39:524      40:11       41:604      42:13       43:175      44:29     
  45:2411     46:629      47:94       49:14       50:268      51:472    
  52:1355     54:276      55:896      57:16       58:7        59:38     
  60:19       61:63       62:331      63:490      64:1495     65:800    
  66:1242     67:665      68:166      69:742      70:148      71:192    
  72:373      74:714      75:394      76:203      77:317      78:516    
  79:172      80:195      81:199      82:173      83:102      84:181    
  85:349      86:151      87:149      88:117      89:521      90:98     
  91:549      92:401      93:794      94:490      95:1097     96:164    
  97:31       98:130      99:151     100:23      101:20      102:213    
 103:1085    104:726     105:144     106:3       107:210     108:301    
 109:258     110:34      111:1788    112:445     113:43      114:34     
 115:15      116:30      117:962     118:70      119:102     120:1075   
 121:18      122:86      123:23      124:57      125:12      128:357    
 129:290     130:508     131:769     132:492     133:195     134:336    
 135:68      136:367     137:413     138:765     139:387     140:597    
 141:312     142:699     143:602     144:332     145:64      146:473    
 147:390     148:615     149:479     150:290     151:579     152:528    
 153:118     154:559     155:684     156:442     157:276     158:317    
 159:590     160:625     161:429     162:665     163:283     164:645    
 165:390     166:98      167:400     168:916     169:151     170:1241   
 171:63      172:882     173:628     174:110     175:41      176:411    
 177:713     178:315     179:508     180:57      181:925     182:24     
 183:827     184:197     185:2339    186:824     187:856     188:576    
 189:1197    190:2757    191:184     192:3840    193:1268    194:830    
 195:561     196:405     197:373     198:1942    199:3594    200:2436   
 201:2488    202:1052    203:623     204:1757    205:1689    206:1127   
 207:1144    208:895     209:1429    210:341     211:431     212:683    
 213:549     214:1002    215:42      216:1699    217:292     218:525    
 219:24      220:29      221:302     222:22      223:634    

End of report


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