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

REN Routing Table Report cscora at frr.nsrc.org
Wed Jul 19 22:41:19 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 19 Jul, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

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

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

BGP routing table entries examined:                              976975
    Prefixes after maximum aggregation (per Origin AS):          357824
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      450741
Total ASes present in the Internet Routing Table:                 74867
    Prefixes per ASN:                                             13.05
Origin-only ASes present in the Internet Routing Table:           64160
Origin ASes announcing only one prefix:                           25821
Transit ASes present in the Internet Routing Table:               10707
Transit-only ASes present in the Internet Routing Table:            469
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.3
    Max AS path length visible:                                     129
    Max AS path prepend of ASN ( 37447)                             127
Prefixes from unregistered ASNs in the Routing Table:              1342
    Number of instances of unregistered ASNs:                      1348
Number of 32-bit ASNs allocated by the RIRs:                      42265
Number of 32-bit ASNs visible in the Routing Table:               34940
Prefixes from 32-bit ASNs in the Routing Table:                  181419
Number of bogon 32-bit ASNs visible in the Routing Table:           221
Special use prefixes present in the Routing Table:                   42
Prefixes being announced from unallocated address space:            683
Number of addresses announced to Internet:                   3058474150
    Equivalent to 182 /8s, 76 /16s and 156 /24s
    Percentage of available address space announced:               82.6
    Percentage of allocated address space announced:               82.6
    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:      335277

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

Prefixes being announced by APNIC Region ASes:                   255556
    Total APNIC prefixes after maximum aggregation:               70842
    APNIC Deaggregation factor:                                    3.61
Prefixes being announced from the APNIC address blocks:          249210
    Unique aggregates announced from the APNIC address blocks:    97315
APNIC Region origin ASes present in the Internet Routing Table:   13594
    APNIC Prefixes per ASN:                                       18.33
APNIC Region origin ASes announcing only one prefix:               3973
APNIC Region transit ASes present in the Internet Routing Table:   1832
Average APNIC Region AS path length visible:                        4.5
    Max APNIC Region AS path length visible:                         28
Number of APNIC region 32-bit ASNs visible in the Routing Table:   8880
Number of APNIC addresses announced to Internet:              776981600
    Equivalent to 46 /8s, 79 /16s and 204 /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:                    280068
    Total ARIN prefixes after maximum aggregation:               125118
    ARIN Deaggregation factor:                                     2.24
Prefixes being announced from the ARIN address blocks:           281857
    Unique aggregates announced from the ARIN address blocks:    130782
ARIN Region origin ASes present in the Internet Routing Table:    19126
    ARIN Prefixes per ASN:                                        14.74
ARIN Region origin ASes announcing only one prefix:                6946
ARIN Region transit ASes present in the Internet Routing Table:    1932
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4832
Number of ARIN addresses announced to Internet:              1277923136
    Equivalent to 76 /8s, 43 /16s and 143 /24s
ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
(pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                       3354-4607, 4865-5119, 5632-6655, 6912-7466
                       7723-8191, 10240-12287, 13312-15359, 16384-17407
                       18432-20479, 21504-23551, 25600-26591,
                       26624-27647, 29696-30719, 31744-33791
                       35840-36863, 39936-40959, 46080-47103
                       53248-55295, 62464-63487, 64198-64296, 393216-401308
ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                        12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                        20/8,  21/8,  22/8,  23/8,  24/8,  26/8,  28/8,
                        29/8,  30/8,  32/8,  33/8,  34/8,  35/8,  38/8,
                        40/8,  44/8,  47/8,  48/8,  50/8,  52/8,  53/8,
                        54/8,  55/8,  56/8,  57/8,  63/8,  64/8,  65/8,
                        66/8,  67/8,  68/8,  69/8,  70/8,  71/8,  72/8,
                        73/8,  74/8,  75/8,  76/8,  96/8,  97/8,  98/8,
                        99/8, 100/8, 104/8, 107/8, 108/8, 128/8, 129/8,
                       130/8, 131/8, 132/8, 134/8, 135/8, 136/8, 137/8,
                       138/8, 139/8, 140/8, 142/8, 143/8, 144/8, 146/8,
                       147/8, 148/8, 149/8, 152/8, 155/8, 156/8, 157/8,
                       158/8, 159/8, 160/8, 161/8, 162/8, 164/8, 165/8,
                       166/8, 167/8, 168/8, 169/8, 170/8, 172/8, 173/8,
                       174/8, 184/8, 192/8, 198/8, 199/8, 204/8, 205/8,
                       206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                      

RIPE Region Analysis Summary
----------------------------

Prefixes being announced by RIPE Region ASes:                    279275
    Total RIPE prefixes after maximum aggregation:               126332
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274982
    Unique aggregates announced from the RIPE address blocks:    159898
RIPE Region origin ASes present in the Internet Routing Table:    28437
    RIPE Prefixes per ASN:                                         9.67
RIPE Region origin ASes announcing only one prefix:               11988
RIPE Region transit ASes present in the Internet Routing Table:    4015
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                         102
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11290
Number of RIPE addresses announced to Internet:               717056222
    Equivalent to 42 /8s, 189 /16s and 104 /24s
RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
(pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                       6656-6911, 8192-9215, 12288-13311, 15360-16383
                       20480-21503, 24576-25599, 28672-29695
                       30720-31743, 33792-35839, 38912-39935
                       40960-45055, 47104-52223, 56320-58367
                       59392-61439, 61952-62463, 64396-64495
                       196608-213403
RIPE Address Blocks      2/8,   5/8,  25/8,  31/8,  37/8,  46/8,  51/8,
                        62/8,  77/8,  78/8,  79/8,  80/8,  81/8,  82/8,
                        83/8,  84/8,  85/8,  86/8,  87/8,  88/8,  89/8,
                        90/8,  91/8,  92/8,  93/8,  94/8,  95/8, 109/8,
                       141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
                       193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

LACNIC Region Analysis Summary
------------------------------

Prefixes being announced by LACNIC Region ASes:                  127221
    Total LACNIC prefixes after maximum aggregation:              28754
    LACNIC Deaggregation factor:                                   4.42
Prefixes being announced from the LACNIC address blocks:         126674
    Unique aggregates announced from the LACNIC address blocks:   49571
LACNIC Region origin ASes present in the Internet Routing Table:  11024
    LACNIC Prefixes per ASN:                                      11.49
LACNIC Region origin ASes announcing only one prefix:              2335
LACNIC Region transit ASes present in the Internet Routing Table:  2374
Average LACNIC Region AS path length visible:                       4.8
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8816
Number of LACNIC addresses announced to Internet:             178468896
    Equivalent to 10 /8s, 163 /16s and 56 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-273820 + ERX transfers
LACNIC Address Blocks  177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8,
                       191/8, 200/8, 201/8,

AfriNIC Region Analysis Summary
-------------------------------

Prefixes being announced by AfriNIC Region ASes:                  33513
    Total AfriNIC prefixes after maximum aggregation:              5944
    AfriNIC Deaggregation factor:                                  5.64
Prefixes being announced from the AfriNIC address blocks:         43568
    Unique aggregates announced from the AfriNIC address blocks:  12595
AfriNIC Region origin ASes present in the Internet Routing Table:  1778
    AfriNIC Prefixes per ASN:                                     24.50
AfriNIC Region origin ASes announcing only one prefix:              579
AfriNIC Region transit ASes present in the Internet Routing Table:  327
Average AfriNIC Region AS path length visible:                      4.2
    Max AfriNIC Region AS path length visible:                      129
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1122
Number of AfriNIC addresses announced to Internet:            107679744
    Equivalent to 6 /8s, 107 /16s and 16 /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        9671       8914      95  CHINAMOBILE-CN China Mobile Communicati
  7545        5686        784     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4233        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4082       1889      48  VNPT-AS-VN VNPT Corp, VN
  7552        3698       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3549       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3052        498     250  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2454        835     443  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2312      11270     588  KIXS-AS-KR Korea Telecom, KR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        8706      10915    3138  AMAZON-02, US
 11492        4515        300     621  CABLEONE, US
  7155        4194        290     102  VIASAT-SP-BACKBONE, US
 22773        3648       3060     275  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3526       1319      66  SHAW, CA
   174        3471       6656     615  COGENT-174, US
 16625        3218       1588    2386  AKAMAI-AS, US
   749        3142      54962    2394  DNIC-AS-00749, US
   367        2765       3756    1327  DNIC-ASBLK-00306-00371, US
396982        2676       3594     383  GOOGLE-CLOUD-PLATFORM, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8326       1143    3230  TTNET, TR
 12479        7303       1706     141  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4146       3400     194  AKAMAI-ASN1, NL
  8551        3463        369      35  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2983       2294     918  ROSTELECOM-AS, RU
  9009        2672        248    1386  M247, RO
  5384        2468        585      30  EMIRATES-INTERNET Emirates Internet, AE
  8452        2453       1852      15  TE-AS TE-AS, EG
 34984        2357        364     603  TELLCOM-AS, TR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11773       3380     599  UNINET, MX
 10620        3516        505     857  Telmex Colombia S.A., CO
 13999        2406        360     632  Mega Cable, S.A. de C.V., MX
 11830        2226        369      64  Instituto Costarricense de Electricidad
 28573        1318       2323     232  Claro NXT Telecomunicacoes Ltda, BR
  3816        1306        774     170  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1282        344     506  Axtel, S.A.B. de C.V., MX
  6147        1130        370      22  Telefonica del Peru S.A.A., PE
 11664        1106        177     433  Techtel LMDS Comunicaciones Interactiva
 26615        1039       2500      48  TIM SA, BR

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1900        319      50  Telkom-Internet, ZA
 24863        1624        393      19  LINKdotNET-AS, EG
 24835        1548        533      27  RAYA-AS, EG
 36992        1351       1518     282  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         923        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         528         82       3  KENET-AS, KE
 24757         488         73       5  EthioNet-AS, ET

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11773       3380     599  UNINET, MX
  9808        9671       8914      95  CHINAMOBILE-CN China Mobile Communicati
 16509        8706      10915    3138  AMAZON-02, US
 47331        8326       1143    3230  TTNET, TR
 12479        7303       1706     141  UNI2-AS, ES
  7545        5686        784     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4515        300     621  CABLEONE, US
 18403        4233        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9671         9576  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7303         7162  UNI2-AS, ES
 16509        8706         5568  AMAZON-02, US
 47331        8326         5096  TTNET, TR
  7545        5686         4994  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4998         4923  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4233         4208  FPT-AS-AP FPT Telecom Company, VN
  7155        4194         4092  VIASAT-SP-BACKBONE, US
 45899        4082         4034  VNPT-AS-VN VNPT Corp, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     19695  UNALLOCATED  8.20.161.0/24            46887  LIGHTOWER, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
100.65.6.0/24             65534  UNASSIGNED
100.65.7.0/24             65534  UNASSIGNED
100.65.8.0/24             65534  UNASSIGNED
100.65.10.0/24            65534  UNASSIGNED
100.65.11.0/24            65534  UNASSIGNED
100.65.13.0/24            65534  UNASSIGNED
100.65.16.0/23            65534  UNASSIGNED
100.66.3.0/24             65534  UNASSIGNED
100.66.7.0/24             65534  UNASSIGNED
100.66.9.0/24             65534  UNASSIGNED

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  UNASSIGNED
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  UNASSIGNED
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
27.100.7.0/24        Origin:     56096  UNASSIGNED
27.100.7.0/24       Transit:     45455  TH-2S1N-AP Two S One N Co Ltd, Internet 
41.57.124.0/22       Origin:     37442  UNASSIGNED
41.57.124.0/22      Transit:     37204  TELONE, ZW

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:17       /9:14      /10:39      /11:103     /12:297     
/13:577     /14:1215    /15:2161    /16:13659   /17:8545    /18:14769   
/19:25872   /20:46007   /21:54747   /22:114312  /23:106924  /24:584703  
/25:488     /26:616     /27:1032    /28:74      /29:101     /30:27      
/31:23      /32:652     

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

   ASN  No of nets  Total ann.  Description
 47331        7458        8326  TTNET, TR
 12479        6390        7303  UNI2-AS, ES
  8151        5668       11773  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3424        4515  CABLEONE, US
  6327        3335        3526  SHAW, CA
  7155        3137        4194  VIASAT-SP-BACKBONE, US
  8551        2931        3463  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2707        3648  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2166        2511  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2235      2:1486      3:231       4:8         5:4701      6:131    
   7:6         8:1626      9:1        11:172      12:1524     13:380    
  14:2403     15:301      16:198      17:384      18:564      20:287    
  21:4        22:188      23:6435     24:3018     25:4        27:2617   
  29:19       31:2682     32:95       34:26       35:116      36:1980   
  37:4805     38:6069     39:836      40:153      41:4650     42:2039   
  43:2446     44:312      45:17456    46:4559     47:402      49:1785   
  50:1880     51:585      52:1625     54:397      55:981      56:8      
  57:129      58:1971     59:1175     60:992      61:2762     62:2801   
  63:1952     64:5766     65:2362     66:5108     67:3118     68:1345   
  69:4153     70:1414     71:691      72:3071     74:2676     75:1606   
  76:617      77:2586     78:3957     79:3011     80:2171     81:2044   
  82:1580     83:1338     84:1565     85:3792     86:869      87:2296   
  88:2894     89:3960     90:617      91:7975     92:2128     93:2641   
  94:3786     95:5132     96:1345     97:334      98:1189     99:734    
 100:128     101:1360    102:3207    103:32392   104:4590    105:1942   
 106:957     107:2574    108:1090    109:4339    110:2176    111:3175   
 112:2129    113:1803    114:1656    115:2153    116:1943    117:2602   
 118:2675    119:2080    120:1874    121:1190    122:2732    123:2264   
 124:1657    125:2523    128:1504    129:1118    130:1065    131:2060   
 132:957     133:422     134:1807    135:353     136:893     137:978    
 138:2666    139:1668    140:1268    141:1337    142:1499    143:1574   
 144:997     145:340     146:2001    147:1603    148:2443    149:2228   
 150:915     151:1186    152:2000    153:569     154:4979    155:1385   
 156:1890    157:1353    158:1097    159:2280    160:2668    161:1577   
 162:3558    163:1630    164:1674    165:1942    166:1089    167:1741   
 168:4028    169:966     170:4835    171:916     172:3669    173:2991   
 174:1050    175:1251    176:3892    177:5430    178:3648    179:2427   
 180:2650    181:3530    182:3436    183:2039    184:2329    185:20866  
 186:5058    187:4395    188:4302    189:4016    190:9418    191:1786   
 192:11002   193:8993    194:7556    195:5425    196:3681    197:2907   
 198:6071    199:6130    200:8206    201:6177    202:11050   203:10725  
 204:4631    205:3675    206:4441    207:3518    208:4175    209:4991   
 210:4716    211:2657    212:4378    213:3731    214:1081    215:60     
 216:6824    217:3000    218:1323    219:623     220:2012    221:967    
 222:871     223:2190   

End of report


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