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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Feb 6 21:40:10 UTC 2025


IPv4 R&E Routing Table Report   21:35 GMT Thu 06 Feb, 2025

  IPv4 BGP Table (Global) as seen at USP.

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

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

BGP routing table entries examined:                              973529
    Prefixes after maximum aggregation (per Origin AS):          372093
    Deaggregation factor:                                          2.62
    Unique aggregates announced (without unneeded subnets):      473796
    Number of IPv4 prefixes with a valid ROA:                    528877
    Number of IPv4 prefixes with an invalid ROA:                    172
    Number of IPv4 prefixes with no ROA:                         444480
Total ASes present in the Internet Routing Table:                 76548
    Prefixes per ASN:                                             12.72
Origin-only ASes present in the Internet Routing Table:           65622
Origin ASes announcing only one prefix:                           26848
Transit ASes present in the Internet Routing Table:               10926
Transit-only ASes present in the Internet Routing Table:            534
Paths with bogon ASNs present in the IPv4 Routing Table:            332
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      63
    Max AS path prepend of ASN ( 37447)                              57
Prefixes from unregistered ASNs in the Routing Table:              1185
    Number of instances of unregistered ASNs:                      1204
Number of 32-bit ASNs allocated by the RIRs:                      46102
Number of 32-bit ASNs visible in the Routing Table:               37723
Prefixes from 32-bit ASNs in the Routing Table:                  198574
Number of bogon 32-bit ASNs visible in the Routing Table:            58
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:            496
Number of addresses announced to Internet:                   3111075328
    Equivalent to 185 /8s, 111 /16s and 62 /24s
    Percentage of available address space announced:               84.0
    Percentage of allocated address space announced:               84.0
    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:      318732

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

Prefixes being announced by APNIC Region ASes:                   255189
    Total APNIC prefixes after maximum aggregation:               76211
    APNIC Deaggregation factor:                                    3.35
Prefixes being announced from the APNIC address blocks:          246778
    Unique aggregates announced from the APNIC address blocks:   102488
APNIC Region origin ASes present in the Internet Routing Table:   14443
    APNIC Prefixes per ASN:                                       17.09
APNIC Region origin ASes announcing only one prefix:               4417
APNIC Region transit ASes present in the Internet Routing Table:   1926
Average APNIC Region AS path length visible:                        5.2
    Max APNIC Region AS path length visible:                         40
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9951
Number of APNIC addresses announced to Internet:              752275712
    Equivalent to 44 /8s, 214 /16s and 209 /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:                    287170
    Total ARIN prefixes after maximum aggregation:               127435
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           288853
    Unique aggregates announced from the ARIN address blocks:    135066
ARIN Region origin ASes present in the Internet Routing Table:    19218
    ARIN Prefixes per ASN:                                        15.03
ARIN Region origin ASes announcing only one prefix:                7026
ARIN Region transit ASes present in the Internet Routing Table:    1987
Average ARIN Region AS path length visible:                         5.0
    Max ARIN Region AS path length visible:                          40
Number of ARIN region 32-bit ASNs visible in the Routing Table:    5145
Number of ARIN addresses announced to Internet:              1343682048
    Equivalent to 80 /8s, 22 /16s and 246 /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,  45/8,  47/8,  48/8,  50/8,  52/8,
                        54/8,  55/8,  56/8,  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:                    271746
    Total RIPE prefixes after maximum aggregation:               131890
    RIPE Deaggregation factor:                                     2.06
Prefixes being announced from the RIPE address blocks:           268857
    Unique aggregates announced from the RIPE address blocks:    171611
RIPE Region origin ASes present in the Internet Routing Table:    28830
    RIPE Prefixes per ASN:                                         9.33
RIPE Region origin ASes announcing only one prefix:               12048
RIPE Region transit ASes present in the Internet Routing Table:    3963
Average RIPE Region AS path length visible:                         5.4
    Max RIPE Region AS path length visible:                          30
Number of RIPE region 32-bit ASNs visible in the Routing Table:   12240
Number of RIPE addresses announced to Internet:               732524032
    Equivalent to 43 /8s, 169 /16s and 110 /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,
                        53/8,  57/8,  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:                  123457
    Total LACNIC prefixes after maximum aggregation:              29081
    LACNIC Deaggregation factor:                                   4.25
Prefixes being announced from the LACNIC address blocks:         120798
    Unique aggregates announced from the LACNIC address blocks:   48889
LACNIC Region origin ASes present in the Internet Routing Table:  11187
    LACNIC Prefixes per ASN:                                      10.80
LACNIC Region origin ASes announcing only one prefix:              2663
LACNIC Region transit ASes present in the Internet Routing Table:  2477
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        31
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  9124
Number of LACNIC addresses announced to Internet:             177837056
    Equivalent to 10 /8s, 153 /16s and 148 /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:                  34782
    Total AfriNIC prefixes after maximum aggregation:              6726
    AfriNIC Deaggregation factor:                                  5.17
Prefixes being announced from the AfriNIC address blocks:         47746
    Unique aggregates announced from the AfriNIC address blocks:  15327
AfriNIC Region origin ASes present in the Internet Routing Table:  1907
    AfriNIC Prefixes per ASN:                                     25.04
AfriNIC Region origin ASes announcing only one prefix:              694
AfriNIC Region transit ASes present in the Internet Routing Table:  377
Average AfriNIC Region AS path length visible:                      6.1
    Max AfriNIC Region AS path length visible:                       63
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1263
Number of AfriNIC addresses announced to Internet:            104500224
    Equivalent to 6 /8s, 58 /16s and 140 /24s
AfriNIC AS Blocks      36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks  41/8, 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       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
  7545        6207        843     665  TPG-INTERNET-AP TPG Telecom Limited, AU
  9498        4197        529     271  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4191        347      23  FPT-AS-AP FPT Telecom Company, VN
  7552        3917       1331      25  VIETEL-AS-AP Viettel Group, VN
  7713        3669       1036      72  TELKOMNET-AS-AP PT Telekomunikasi Indones
 45899        3248       1869      99  VNPT-AS-VN VNPT Corp, VN
 24560        2837        853     533  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
  4755        2203        434     190  TATACOMM-AS TATA Communications formerly 
 45090        2171       1439      86  TENCENT-NET-AP Shenzhen Tencent Computer 

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12729      38946    3728  AMAZON-02, US
 11492        4698        312     553  CABLEONE, US
  7155        4180        287      86  VIASAT-SP-BACKBONE, US
  6327        3622       1320      81  SHAW, CA
   174        3607       8758     887  COGENT-174, US
 22773        3589       3053     219  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3260      54879    2507  DNIC-AS-00749, US
 16625        3041       1311    2197  AKAMAI-AS, US
396982        2919       3659     445  GOOGLE-CLOUD-PLATFORM, US
 30036        2591        362     259  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 12479        7739       1713     145  UNI2-AS, ES
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 20940        4000       3395     128  AKAMAI-ASN1, NL
  9009        3730        320    1913  M247, RO
 12389        2985       2302     890  ROSTELECOM-AS, RU
 34984        2370        361     581  TELLCOM-AS, TR
212238        1912        138    1409  CDNEXT, GB
  8452        1614       1852      14  TE-AS TE-AS, EG
 13188        1607        100      26  TRIOLAN, UA
 62240        1488         98     748  CLOUVIDER Clouvider - Global ASN, GB

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11706       3224     604  UNINET, MX
 10620        3543        492     951  Telmex Colombia S.A., CO
 13999        2511        539     366  Mega Cable, S.A. de C.V., MX
 11830        1969        369      64  Instituto Costarricense de Electricidad y
 28573        1334       2437     266  Claro NXT Telecomunicacoes Ltda, BR
  3816        1318        771     216  COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
 11664        1159        278      33  Techtel LMDS Comunicaciones Interactivas 
  6503        1134        374     163  Axtel, S.A.B. de C.V., MX
  6147        1105        371      22  Telefonica del Peru S.A.A., PE
 22884        1076         98     370  TOTAL PLAY TELECOMUNICACIONES SA DE CV, M

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 24835        1682        601      30  RAYA-AS, EG
 24863        1645        389      16  LINKdotNET-AS, EG
 29571        1538         97      99  ORANGE-COTE-IVOIRE, CI
 36992        1425       1518     286  ETISALAT-MISR, EG
 36903        1249        554      96  MT-MPLS, MA
 36935        1018        523      45  Vodafone-, EG
 20011         978        180     282  INTERNET-SOLUTIONS, ZA
 37069         843       1083      15  MOBINIL, EG
  6713         557       1861      35  IAM-AS, MA
 36914         545         82       3  KENET-AS, KE

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509       12729      38946    3728  AMAZON-02, US
  8151       11706       3224     604  UNINET, MX
  9808       10334       8753      88  CHINAMOBILE-CN China Mobile Communication
 12479        7739       1713     145  UNI2-AS, ES
  7545        6207        843     665  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797        293      62  ALJAWWALSTC-AS, SA
 11492        4698        312     553  CABLEONE, US
  9498        4197        529     271  BBIL-AP BHARTI Airtel Ltd., IN
 18403        4191        347      23  FPT-AS-AP FPT Telecom Company, VN
  7155        4180        287      86  VIASAT-SP-BACKBONE, US

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

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

   ASN  No of nets  Net Savings  Description
  8151       11706        11102  UNINET, MX
  9808       10334        10246  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7739         7594  UNI2-AS, ES
  7545        6207         5542  TPG-INTERNET-AP TPG Telecom Limited, AU
 39891        4797         4735  ALJAWWALSTC-AS, SA
 18403        4191         4168  FPT-AS-AP FPT Telecom Company, VN
 11492        4698         4145  CABLEONE, US
  7155        4180         4094  VIASAT-SP-BACKBONE, US
  9498        4197         3926  BBIL-AP BHARTI Airtel Ltd., IN
  7552        3917         3892  VIETEL-AS-AP Viettel Group, VN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    400866  UNALLOCATED  2.59.148.0/23            21859  ZEN-ECN, US
     22542  UNALLOCATED  8.7.205.0/24              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24               174  COGENT-174, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-D
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     46639  UNALLOCATED  8.17.66.0/24               701  UUNET, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
    393266  UNALLOCATED  8.23.52.0/24             46887  CROWNCASTLE-AS46887, US
    396894  UNALLOCATED  8.28.201.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

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

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

Prefix                Origin AS  Description
192.88.99.0/24             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
14.192.20.0/22       Origin:     26658  HENGTONG-IDC-LLC, US
14.192.20.0/22      Transit:      6939  HURRICANE, US
23.140.16.0/24       Origin:     63371  RESERVED, ZZ
23.140.16.0/24      Transit:      3356  LEVEL3, US
23.140.48.0/24       Origin:     63371  RESERVED, ZZ
23.140.48.0/24      Transit:      7018  ATT-INTERNET4, US
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

Complete listing at https://bgp.nsrc.org/REN/USP/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       /9:16      /10:42      /11:93      /12:307     
/13:587     /14:1224    /15:2167    /16:13928   /17:8259    /18:13715   
/19:24592   /20:43859   /21:51968   /22:112139  /23:100852  /24:599764  
/25:0       /26:0       /27:0       /28:0       /29:0       /30:0       
/31:0       /32:0       

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

   ASN  No of nets  Total ann.  Description
 12479        6700        7739  UNI2-AS, ES
  8151        5916       11706  UNINET, MX
 11492        3555        4698  CABLEONE, US
 39891        3489        4797  ALJAWWALSTC-AS, SA
  6327        3418        3622  SHAW, CA
  7155        3128        4180  VIASAT-SP-BACKBONE, US
 22773        2709        3589  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        2265       12729  AMAZON-02, US
 30036        2249        2591  MEDIACOM-ENTERPRISE-BUSINESS, US
 10620        2183        3543  Telmex Colombia S.A., CO

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

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

   1:2294      2:1518      3:570       4:9         5:4531      6:165    
   7:6         8:1545      9:1        11:172      12:1383     13:351    
  14:2498     15:344      16:270      17:358      18:916      20:451    
  21:4        22:188      23:7291     24:2734     25:2        27:2738   
  29:19       31:3115     32:38       34:77       35:200      36:2406   
  37:4606     38:8571     39:895      40:152      41:4194     42:1918   
  43:2513     44:347      45:18198    46:4972     47:293      49:1981   
  50:1873     51:589      52:1573     54:307      55:1143     56:9      
  57:240      58:2207     59:1178     60:1164     61:2787     62:2939   
  63:1827     64:5501     65:2147     66:4644     67:3025     68:1196   
  69:4000     70:1164     71:617      72:2865     74:2786     75:1641   
  76:628      77:2615     78:1871     79:1689     80:2204     81:2047   
  82:2254     83:1413     84:1793     85:3300     86:1014     87:2188   
  88:1311     89:4324     90:754      91:8342     92:2800     93:2856   
  94:3921     95:4191     96:1293     97:308      98:1017     99:734    
 100:71      101:1133    102:3668    103:32263   104:4675    105:758    
 106:1017    107:2630    108:1165    109:4073    110:2212    111:3381   
 112:2043    113:1779    114:1934    115:2200    116:2036    117:2740   
 118:2834    119:1932    120:1872    121:1356    122:2745    123:2166   
 124:1554    125:2863    126:94      128:1590    129:957     130:1281   
 131:1878    132:792     133:450     134:1528    135:322     136:1334   
 137:1277    138:2906    139:1595    140:1541    141:1469    142:1823   
 143:1616    144:1040    145:463     146:2144    147:2060    148:2599   
 149:2854    150:1196    151:1647    152:2038    153:569     154:7962   
 155:1605    156:3580    157:1880    158:1260    159:2426    160:3532   
 161:1852    162:3662    163:1794    164:1697    165:2169    166:1321   
 167:1879    168:4095    169:798     170:5061    171:1004    172:4319   
 173:3240    174:925     175:1270    176:3600    177:4816    178:3781   
 179:2222    180:2552    181:3983    182:3370    183:2028    184:2274   
 185:21477   186:5070    187:4295    188:4211    189:4167    190:9518   
 191:1528    192:11192   193:9382    194:7733    195:5473    196:3208   
 197:3592    198:6171    199:8300    200:8130    201:6290    202:10361  
 203:10607   204:4555    205:3680    206:4660    207:3544    208:4199   
 209:5151    210:4548    211:2524    212:4511    213:3744    214:1055   
 215:42      216:6609    217:3108    218:1335    219:372     220:2099   
 221:1055    222:716     223:2309   

End of report


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