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

REN Routing Table Report cscora at bgp.nsrc.org
Wed Sep 27 22:42:34 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Wed 27 Sep, 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:                              981737
    Prefixes after maximum aggregation (per Origin AS):          359884
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      452796
Total ASes present in the Internet Routing Table:                 75089
    Prefixes per ASN:                                             13.07
Origin-only ASes present in the Internet Routing Table:           64563
Origin ASes announcing only one prefix:                           25876
Transit ASes present in the Internet Routing Table:               10526
Transit-only ASes present in the Internet Routing Table:            468
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.4
    Max AS path length visible:                                      52
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1251
    Number of instances of unregistered ASNs:                      1253
Number of 32-bit ASNs allocated by the RIRs:                      42708
Number of 32-bit ASNs visible in the Routing Table:               35236
Prefixes from 32-bit ASNs in the Routing Table:                  182609
Number of bogon 32-bit ASNs visible in the Routing Table:           281
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            622
Number of addresses announced to Internet:                   3056808426
    Equivalent to 182 /8s, 51 /16s and 49 /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:               99.5
Total number of prefixes smaller than registry allocations:      337038

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

Prefixes being announced by APNIC Region ASes:                   257886
    Total APNIC prefixes after maximum aggregation:               72372
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          251400
    Unique aggregates announced from the APNIC address blocks:    98711
APNIC Region origin ASes present in the Internet Routing Table:   13763
    APNIC Prefixes per ASN:                                       18.27
APNIC Region origin ASes announcing only one prefix:               4040
APNIC Region transit ASes present in the Internet Routing Table:   1821
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         32
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9042
Number of APNIC addresses announced to Internet:              774089120
    Equivalent to 46 /8s, 35 /16s and 169 /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:                    281752
    Total ARIN prefixes after maximum aggregation:               125037
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           284817
    Unique aggregates announced from the ARIN address blocks:    131786
ARIN Region origin ASes present in the Internet Routing Table:    19130
    ARIN Prefixes per ASN:                                        14.89
ARIN Region origin ASes announcing only one prefix:                6936
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:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4837
Number of ARIN addresses announced to Internet:              1279159104
    Equivalent to 76 /8s, 62 /16s and 107 /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:                    280454
    Total RIPE prefixes after maximum aggregation:               126989
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           274818
    Unique aggregates announced from the RIPE address blocks:    159923
RIPE Region origin ASes present in the Internet Routing Table:    28478
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               11995
RIPE Region transit ASes present in the Internet Routing Table:    3872
Average RIPE Region AS path length visible:                         4.4
    Max RIPE Region AS path length visible:                          34
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11375
Number of RIPE addresses announced to Internet:               716775646
    Equivalent to 42 /8s, 185 /16s and 32 /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:                  126539
    Total LACNIC prefixes after maximum aggregation:              28696
    LACNIC Deaggregation factor:                                   4.41
Prefixes being announced from the LACNIC address blocks:         125801
    Unique aggregates announced from the LACNIC address blocks:   49268
LACNIC Region origin ASes present in the Internet Routing Table:  11031
    LACNIC Prefixes per ASN:                                      11.40
LACNIC Region origin ASes announcing only one prefix:              2316
LACNIC Region transit ASes present in the Internet Routing Table:  2364
Average LACNIC Region AS path length visible:                       4.7
    Max LACNIC Region AS path length visible:                        52
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8840
Number of LACNIC addresses announced to Internet:             178512672
    Equivalent to 10 /8s, 163 /16s and 227 /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:                  33855
    Total AfriNIC prefixes after maximum aggregation:              6010
    AfriNIC Deaggregation factor:                                  5.63
Prefixes being announced from the AfriNIC address blocks:         44278
    Unique aggregates announced from the AfriNIC address blocks:  12577
AfriNIC Region origin ASes present in the Internet Routing Table:  1799
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              589
AfriNIC Region transit ASes present in the Internet Routing Table:  327
Average AfriNIC Region AS path length visible:                      4.5
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1142
Number of AfriNIC addresses announced to Internet:            107820544
    Equivalent to 6 /8s, 109 /16s and 54 /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        9615       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5724        785     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4988       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4266        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4023       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3746       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3593       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3174        498     254  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2740      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2526        850     377  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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        9077      10987    3262  AMAZON-02, US
 11492        4534        301     671  CABLEONE, US
  7155        4184        289     103  VIASAT-SP-BACKBONE, US
   174        3910       6656     619  COGENT-174, US
 22773        3658       3078     313  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3545       1319      66  SHAW, CA
   749        3151      54959    2403  DNIC-AS-00749, US
 16625        3057       1430    2312  AKAMAI-AS, US
   367        3002       3834    1420  DNIC-ASBLK-00306-00371, US
396982        2699       3597     395  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        8580       1173    2992  TTNET, TR
 12479        7394       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4127       3399     185  AKAMAI-ASN1, NL
  8551        3448        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        3017       2297     922  ROSTELECOM-AS, RU
  9009        2907        265    1485  M247, RO
  8452        2506       1852      16  TE-AS TE-AS, EG
  5384        2453        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2380        366     587  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       11954       3369     605  UNINET, MX
 10620        3516        503     891  Telmex Colombia S.A., CO
 13999        2397        330     617  Mega Cable, S.A. de C.V., MX
 11830        2007        369      64  Instituto Costarricense de Electricidad
 28573        1328       2324     227  Claro NXT Telecomunicacoes Ltda, BR
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
  3816        1297        766     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1111        369      22  Telefonica del Peru S.A.A., PE
 11664        1105        179     427  Techtel LMDS Comunicaciones Interactiva
 28202        1090         52       9  Rede Brasileira de Comunicacao 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        1885        319      45  Telkom-Internet, ZA
 24863        1606        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1360       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1046         67      45  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         539         55      52  WANANCHI-, KE
 36914         523         82       3  KENET-AS, KE

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       11954       3369     605  UNINET, MX
  9808        9615       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9077      10987    3262  AMAZON-02, US
 47331        8580       1173    2992  TTNET, TR
 12479        7394       1713     145  UNI2-AS, ES
  7545        5724        785     689  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4988       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4534        301     671  CABLEONE, US
 18403        4266        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        9615         9516  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7394         7249  UNI2-AS, ES
 16509        9077         5815  AMAZON-02, US
 47331        8580         5588  TTNET, TR
  7545        5724         5035  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        4988         4913  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4266         4241  FPT-AS-AP FPT Telecom Company, VN
  7155        4184         4081  VIASAT-SP-BACKBONE, US
 45899        4023         3972  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
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, 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  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

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  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

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        /8:16       /9:14      /10:39      /11:101     /12:298     
/13:578     /14:1212    /15:2151    /16:13688   /17:8577    /18:14797   
/19:25803   /20:45843   /21:54573   /22:114534  /23:107066  /24:587523  
/25:1129    /26:1081    /27:1489    /28:155     /29:233     /30:86      
/31:90      /32:660     

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

   ASN  No of nets  Total ann.  Description
 47331        7698        8580  TTNET, TR
 12479        6481        7394  UNI2-AS, ES
  8151        5952       11954  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3445        4534  CABLEONE, US
  6327        3356        3545  SHAW, CA
  7155        3129        4184  VIASAT-SP-BACKBONE, US
  8551        2924        3448  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2693        3658  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2153        2496  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2266      2:1580      3:265       4:8         5:4688      6:137    
   7:6         8:1615      9:1        11:172      12:1518     13:370    
  14:2416     15:303      16:200      17:375      18:653      20:310    
  21:4        22:188      23:6502     24:2923     25:2        27:2669   
  29:19       31:2688     32:93       34:26       35:119      36:2016   
  37:4636     38:6475     39:878      40:147      41:4816     42:2088   
  43:2408     44:327      45:17377    46:4482     47:379      49:1842   
  50:1909     51:590      52:1628     54:392      55:971      56:5      
  57:131      58:1948     59:1208     60:1011     61:2728     62:2815   
  63:1945     64:5851     65:2405     66:5132     67:3104     68:1362   
  69:4198     70:1401     71:685      72:3047     74:2662     75:1610   
  76:635      77:2441     78:4021     79:3021     80:2165     81:2077   
  82:1567     83:1368     84:1584     85:3907     86:872      87:2273   
  88:2903     89:3952     90:625      91:7973     92:2145     93:2640   
  94:3702     95:5118     96:1339     97:319      98:1123     99:730    
 100:123     101:1332    102:3247    103:32612   104:4739    105:2000   
 106:985     107:2705    108:1149    109:4324    110:2198    111:3188   
 112:2130    113:1814    114:1709    115:2156    116:1937    117:2575   
 118:2761    119:2072    120:1860    121:1239    122:2765    123:2283   
 124:1661    125:2579    128:1543    129:1013    130:1092    131:2065   
 132:969     133:408     134:1792    135:350     136:974     137:988    
 138:2788    139:1679    140:1300    141:1329    142:1541    143:1622   
 144:1013    145:352     146:1988    147:1619    148:2525    149:2342   
 150:904     151:1251    152:2000    153:593     154:5384    155:1397   
 156:1995    157:1373    158:1066    159:2254    160:2698    161:1605   
 162:3587    163:1652    164:1760    165:1914    166:1078    167:1760   
 168:3917    169:902     170:4861    171:946     172:3783    173:3001   
 174:996     175:1256    176:3925    177:5144    178:3567    179:2394   
 180:2634    181:3544    182:3353    183:2037    184:2293    185:20928  
 186:4961    187:4538    188:4350    189:4135    190:9432    191:1804   
 192:11038   193:9027    194:7528    195:5480    196:3637    197:3032   
 198:6080    199:6169    200:8177    201:6173    202:10968   203:10578  
 204:4627    205:3741    206:4467    207:3577    208:4196    209:4983   
 210:4736    211:2639    212:4399    213:3543    214:1115    215:70     
 216:6882    217:3026    218:1329    219:609     220:2042    221:986    
 222:857     223:2180   

End of report


More information about the ren-bgp-stats-all mailing list